Home / 15,502.14-21,354.98-11,240.66

Finding the Fourth Proportional to 15,502.14, 21,354.98 and 11,240.66

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Solution

The fourth proportional to 15,502.14, 21,354.98 and 11,240.66 is: 15,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.14 : 21,354.98 = 11,240.66 : x
  2. Step 2: Convert to fraction form
    15,502.14/21,354.98 = 11,240.66/x
  3. Step 3: Cross multiply
    15,502.14x = 21,354.98 × 11,240.66
  4. Step 4: Simplify right side
    15,502.14x = 240,044,066.67
  5. Step 5: Solve for x
    x = 240,044,066.67/15,502.14
  6. Step 6: Final answer
    x = 15,484.58

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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.