Home / 14,575.76-21,864.33-4,715.81

Finding the Fourth Proportional to 14,575.76, 21,864.33 and 4,715.81

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Solution

The fourth proportional to 14,575.76, 21,864.33 and 4,715.81 is: 7,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.76 : 21,864.33 = 4,715.81 : x
  2. Step 2: Convert to fraction form
    14,575.76/21,864.33 = 4,715.81/x
  3. Step 3: Cross multiply
    14,575.76x = 21,864.33 × 4,715.81
  4. Step 4: Simplify right side
    14,575.76x = 103,108,121.71
  5. Step 5: Solve for x
    x = 103,108,121.71/14,575.76
  6. Step 6: Final answer
    x = 7,073.94

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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.