Home / 15,227.19-21,011.76-9,480.90

Finding the Fourth Proportional to 15,227.19, 21,011.76 and 9,480.90

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Solution

The fourth proportional to 15,227.19, 21,011.76 and 9,480.90 is: 13,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227.19 : 21,011.76 = 9,480.90 : x
  2. Step 2: Convert to fraction form
    15,227.19/21,011.76 = 9,480.90/x
  3. Step 3: Cross multiply
    15,227.19x = 21,011.76 × 9,480.90
  4. Step 4: Simplify right side
    15,227.19x = 199,210,395.38
  5. Step 5: Solve for x
    x = 199,210,395.38/15,227.19
  6. Step 6: Final answer
    x = 13,082.54

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Double scale
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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.