Home / 14,306.76-21,461.10-4,947.69

Finding the Fourth Proportional to 14,306.76, 21,461.10 and 4,947.69

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Solution

The fourth proportional to 14,306.76, 21,461.10 and 4,947.69 is: 7,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.76 : 21,461.10 = 4,947.69 : x
  2. Step 2: Convert to fraction form
    14,306.76/21,461.10 = 4,947.69/x
  3. Step 3: Cross multiply
    14,306.76x = 21,461.10 × 4,947.69
  4. Step 4: Simplify right side
    14,306.76x = 106,182,869.86
  5. Step 5: Solve for x
    x = 106,182,869.86/14,306.76
  6. Step 6: Final answer
    x = 7,421.87

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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.