Home / 9,972.20-14,957.96-4,705.29

Finding the Fourth Proportional to 9,972.20, 14,957.96 and 4,705.29

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Solution

The fourth proportional to 9,972.20, 14,957.96 and 4,705.29 is: 7,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.20 : 14,957.96 = 4,705.29 : x
  2. Step 2: Convert to fraction form
    9,972.20/14,957.96 = 4,705.29/x
  3. Step 3: Cross multiply
    9,972.20x = 14,957.96 × 4,705.29
  4. Step 4: Simplify right side
    9,972.20x = 70,381,516.08
  5. Step 5: Solve for x
    x = 70,381,516.08/9,972.20
  6. Step 6: Final answer
    x = 7,057.77

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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.