Home / 14,752.32-22,121.52-5,385.84

Finding the Fourth Proportional to 14,752.32, 22,121.52 and 5,385.84

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Solution

The fourth proportional to 14,752.32, 22,121.52 and 5,385.84 is: 8,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.32 : 22,121.52 = 5,385.84 : x
  2. Step 2: Convert to fraction form
    14,752.32/22,121.52 = 5,385.84/x
  3. Step 3: Cross multiply
    14,752.32x = 22,121.52 × 5,385.84
  4. Step 4: Simplify right side
    14,752.32x = 119,142,967.28
  5. Step 5: Solve for x
    x = 119,142,967.28/14,752.32
  6. Step 6: Final answer
    x = 8,076.22

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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.