Home / 15,998.49-22,070.75-9,280.21

Finding the Fourth Proportional to 15,998.49, 22,070.75 and 9,280.21

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Solution

The fourth proportional to 15,998.49, 22,070.75 and 9,280.21 is: 12,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.49 : 22,070.75 = 9,280.21 : x
  2. Step 2: Convert to fraction form
    15,998.49/22,070.75 = 9,280.21/x
  3. Step 3: Cross multiply
    15,998.49x = 22,070.75 × 9,280.21
  4. Step 4: Simplify right side
    15,998.49x = 204,821,194.86
  5. Step 5: Solve for x
    x = 204,821,194.86/15,998.49
  6. Step 6: Final answer
    x = 12,802.53

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Half scale
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Double scale
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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.