Home / 10,288.26-14,184.54-8,397.90

Finding the Fourth Proportional to 10,288.26, 14,184.54 and 8,397.90

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Solution

The fourth proportional to 10,288.26, 14,184.54 and 8,397.90 is: 11,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.26 : 14,184.54 = 8,397.90 : x
  2. Step 2: Convert to fraction form
    10,288.26/14,184.54 = 8,397.90/x
  3. Step 3: Cross multiply
    10,288.26x = 14,184.54 × 8,397.90
  4. Step 4: Simplify right side
    10,288.26x = 119,120,348.47
  5. Step 5: Solve for x
    x = 119,120,348.47/10,288.26
  6. Step 6: Final answer
    x = 11,578.28

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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.