Home / 14,344.08-21,521.76-5,579.76

Finding the Fourth Proportional to 14,344.08, 21,521.76 and 5,579.76

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Solution

The fourth proportional to 14,344.08, 21,521.76 and 5,579.76 is: 8,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.08 : 21,521.76 = 5,579.76 : x
  2. Step 2: Convert to fraction form
    14,344.08/21,521.76 = 5,579.76/x
  3. Step 3: Cross multiply
    14,344.08x = 21,521.76 × 5,579.76
  4. Step 4: Simplify right side
    14,344.08x = 120,086,255.58
  5. Step 5: Solve for x
    x = 120,086,255.58/14,344.08
  6. Step 6: Final answer
    x = 8,371.83

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1.5x scale

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.