Home / 10,385.08-14,332.24-5,910.20

Finding the Fourth Proportional to 10,385.08, 14,332.24 and 5,910.20

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Solution

The fourth proportional to 10,385.08, 14,332.24 and 5,910.20 is: 8,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.08 : 14,332.24 = 5,910.20 : x
  2. Step 2: Convert to fraction form
    10,385.08/14,332.24 = 5,910.20/x
  3. Step 3: Cross multiply
    10,385.08x = 14,332.24 × 5,910.20
  4. Step 4: Simplify right side
    10,385.08x = 84,706,404.85
  5. Step 5: Solve for x
    x = 84,706,404.85/10,385.08
  6. Step 6: Final answer
    x = 8,156.55

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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.