Home / 14,000.60-21,001.71-5,680.28

Finding the Fourth Proportional to 14,000.60, 21,001.71 and 5,680.28

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Solution

The fourth proportional to 14,000.60, 21,001.71 and 5,680.28 is: 8,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.60 : 21,001.71 = 5,680.28 : x
  2. Step 2: Convert to fraction form
    14,000.60/21,001.71 = 5,680.28/x
  3. Step 3: Cross multiply
    14,000.60x = 21,001.71 × 5,680.28
  4. Step 4: Simplify right side
    14,000.60x = 119,295,593.28
  5. Step 5: Solve for x
    x = 119,295,593.28/14,000.60
  6. Step 6: Final answer
    x = 8,520.75

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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.