Home / 14,747.32-22,114.02-5,380.72

Finding the Fourth Proportional to 14,747.32, 22,114.02 and 5,380.72

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Solution

The fourth proportional to 14,747.32, 22,114.02 and 5,380.72 is: 8,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.32 : 22,114.02 = 5,380.72 : x
  2. Step 2: Convert to fraction form
    14,747.32/22,114.02 = 5,380.72/x
  3. Step 3: Cross multiply
    14,747.32x = 22,114.02 × 5,380.72
  4. Step 4: Simplify right side
    14,747.32x = 118,989,349.69
  5. Step 5: Solve for x
    x = 118,989,349.69/14,747.32
  6. Step 6: Final answer
    x = 8,068.54

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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.