Home / 14,722.32-22,076.52-5,355.78

Finding the Fourth Proportional to 14,722.32, 22,076.52 and 5,355.78

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Solution

The fourth proportional to 14,722.32, 22,076.52 and 5,355.78 is: 8,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.32 : 22,076.52 = 5,355.78 : x
  2. Step 2: Convert to fraction form
    14,722.32/22,076.52 = 5,355.78/x
  3. Step 3: Cross multiply
    14,722.32x = 22,076.52 × 5,355.78
  4. Step 4: Simplify right side
    14,722.32x = 118,236,984.29
  5. Step 5: Solve for x
    x = 118,236,984.29/14,722.32
  6. Step 6: Final answer
    x = 8,031.14

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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.