Home / 10,221.32-15,337.20-4,376.36

Finding the Fourth Proportional to 10,221.32, 15,337.20 and 4,376.36

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Solution

The fourth proportional to 10,221.32, 15,337.20 and 4,376.36 is: 6,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.32 : 15,337.20 = 4,376.36 : x
  2. Step 2: Convert to fraction form
    10,221.32/15,337.20 = 4,376.36/x
  3. Step 3: Cross multiply
    10,221.32x = 15,337.20 × 4,376.36
  4. Step 4: Simplify right side
    10,221.32x = 67,121,108.59
  5. Step 5: Solve for x
    x = 67,121,108.59/10,221.32
  6. Step 6: Final answer
    x = 6,566.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.