Home / 15,545.20-23,317.80-9,705.10

Finding the Fourth Proportional to 15,545.20, 23,317.80 and 9,705.10

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Solution

The fourth proportional to 15,545.20, 23,317.80 and 9,705.10 is: 14,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.20 : 23,317.80 = 9,705.10 : x
  2. Step 2: Convert to fraction form
    15,545.20/23,317.80 = 9,705.10/x
  3. Step 3: Cross multiply
    15,545.20x = 23,317.80 × 9,705.10
  4. Step 4: Simplify right side
    15,545.20x = 226,301,580.78
  5. Step 5: Solve for x
    x = 226,301,580.78/15,545.20
  6. Step 6: Final answer
    x = 14,557.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.