Home / 10,572.62-14,557.01-8,975.96

Finding the Fourth Proportional to 10,572.62, 14,557.01 and 8,975.96

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Solution

The fourth proportional to 10,572.62, 14,557.01 and 8,975.96 is: 12,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.62 : 14,557.01 = 8,975.96 : x
  2. Step 2: Convert to fraction form
    10,572.62/14,557.01 = 8,975.96/x
  3. Step 3: Cross multiply
    10,572.62x = 14,557.01 × 8,975.96
  4. Step 4: Simplify right side
    10,572.62x = 130,663,089.13
  5. Step 5: Solve for x
    x = 130,663,089.13/10,572.62
  6. Step 6: Final answer
    x = 12,358.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.