Home / 11,625.17-16,044.12-6,909.47

Finding the Fourth Proportional to 11,625.17, 16,044.12 and 6,909.47

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Solution

The fourth proportional to 11,625.17, 16,044.12 and 6,909.47 is: 9,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.17 : 16,044.12 = 6,909.47 : x
  2. Step 2: Convert to fraction form
    11,625.17/16,044.12 = 6,909.47/x
  3. Step 3: Cross multiply
    11,625.17x = 16,044.12 × 6,909.47
  4. Step 4: Simplify right side
    11,625.17x = 110,856,365.82
  5. Step 5: Solve for x
    x = 110,856,365.82/11,625.17
  6. Step 6: Final answer
    x = 9,535.89

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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.