Home / 15,526.55-21,426.19-8,452.82

Finding the Fourth Proportional to 15,526.55, 21,426.19 and 8,452.82

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Solution

The fourth proportional to 15,526.55, 21,426.19 and 8,452.82 is: 11,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.55 : 21,426.19 = 8,452.82 : x
  2. Step 2: Convert to fraction form
    15,526.55/21,426.19 = 8,452.82/x
  3. Step 3: Cross multiply
    15,526.55x = 21,426.19 × 8,452.82
  4. Step 4: Simplify right side
    15,526.55x = 181,111,759.79
  5. Step 5: Solve for x
    x = 181,111,759.79/15,526.55
  6. Step 6: Final answer
    x = 11,664.65

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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.