Home / 10,385.32-14,332.56-5,909.26

Finding the Fourth Proportional to 10,385.32, 14,332.56 and 5,909.26

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Solution

The fourth proportional to 10,385.32, 14,332.56 and 5,909.26 is: 8,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.32 : 14,332.56 = 5,909.26 : x
  2. Step 2: Convert to fraction form
    10,385.32/14,332.56 = 5,909.26/x
  3. Step 3: Cross multiply
    10,385.32x = 14,332.56 × 5,909.26
  4. Step 4: Simplify right side
    10,385.32x = 84,694,765.51
  5. Step 5: Solve for x
    x = 84,694,765.51/10,385.32
  6. Step 6: Final answer
    x = 8,155.24

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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.