Home / 19,369.12-29,053.68-6,221.44

Finding the Fourth Proportional to 19,369.12, 29,053.68 and 6,221.44

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Solution

The fourth proportional to 19,369.12, 29,053.68 and 6,221.44 is: 9,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.12 : 29,053.68 = 6,221.44 : x
  2. Step 2: Convert to fraction form
    19,369.12/29,053.68 = 6,221.44/x
  3. Step 3: Cross multiply
    19,369.12x = 29,053.68 × 6,221.44
  4. Step 4: Simplify right side
    19,369.12x = 180,755,726.90
  5. Step 5: Solve for x
    x = 180,755,726.90/19,369.12
  6. Step 6: Final answer
    x = 9,332.16

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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.