Home / 16,143.48-22,280.13-9,070.29

Finding the Fourth Proportional to 16,143.48, 22,280.13 and 9,070.29

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Solution

The fourth proportional to 16,143.48, 22,280.13 and 9,070.29 is: 12,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.48 : 22,280.13 = 9,070.29 : x
  2. Step 2: Convert to fraction form
    16,143.48/22,280.13 = 9,070.29/x
  3. Step 3: Cross multiply
    16,143.48x = 22,280.13 × 9,070.29
  4. Step 4: Simplify right side
    16,143.48x = 202,087,240.34
  5. Step 5: Solve for x
    x = 202,087,240.34/16,143.48
  6. Step 6: Final answer
    x = 12,518.20

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Half scale
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Double scale
Find fourth proportional to 16,144.48, 22,281.51 and 9,071.29
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.