Home / 10,451.86-14,419.60-6,675.20

Finding the Fourth Proportional to 10,451.86, 14,419.60 and 6,675.20

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Solution

The fourth proportional to 10,451.86, 14,419.60 and 6,675.20 is: 9,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.86 : 14,419.60 = 6,675.20 : x
  2. Step 2: Convert to fraction form
    10,451.86/14,419.60 = 6,675.20/x
  3. Step 3: Cross multiply
    10,451.86x = 14,419.60 × 6,675.20
  4. Step 4: Simplify right side
    10,451.86x = 96,253,713.92
  5. Step 5: Solve for x
    x = 96,253,713.92/10,451.86
  6. Step 6: Final answer
    x = 9,209.24

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Half scale
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Double scale
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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.