Home / 11,472.64-17,207.04-4,545.28

Finding the Fourth Proportional to 11,472.64, 17,207.04 and 4,545.28

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Solution

The fourth proportional to 11,472.64, 17,207.04 and 4,545.28 is: 6,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.64 : 17,207.04 = 4,545.28 : x
  2. Step 2: Convert to fraction form
    11,472.64/17,207.04 = 4,545.28/x
  3. Step 3: Cross multiply
    11,472.64x = 17,207.04 × 4,545.28
  4. Step 4: Simplify right side
    11,472.64x = 78,210,814.77
  5. Step 5: Solve for x
    x = 78,210,814.77/11,472.64
  6. Step 6: Final answer
    x = 6,817.16

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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.