Home / 14,359.20-21,538.79-4,499.25

Finding the Fourth Proportional to 14,359.20, 21,538.79 and 4,499.25

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Solution

The fourth proportional to 14,359.20, 21,538.79 and 4,499.25 is: 6,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.20 : 21,538.79 = 4,499.25 : x
  2. Step 2: Convert to fraction form
    14,359.20/21,538.79 = 4,499.25/x
  3. Step 3: Cross multiply
    14,359.20x = 21,538.79 × 4,499.25
  4. Step 4: Simplify right side
    14,359.20x = 96,908,400.91
  5. Step 5: Solve for x
    x = 96,908,400.91/14,359.20
  6. Step 6: Final answer
    x = 6,748.87

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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.