Home / 65,687.12-98,530.68-16,439.12

Finding the Fourth Proportional to 65,687.12, 98,530.68 and 16,439.12

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Solution

The fourth proportional to 65,687.12, 98,530.68 and 16,439.12 is: 24,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,687.12 : 98,530.68 = 16,439.12 : x
  2. Step 2: Convert to fraction form
    65,687.12/98,530.68 = 16,439.12/x
  3. Step 3: Cross multiply
    65,687.12x = 98,530.68 × 16,439.12
  4. Step 4: Simplify right side
    65,687.12x = 1,619,757,672.20
  5. Step 5: Solve for x
    x = 1,619,757,672.20/65,687.12
  6. Step 6: Final answer
    x = 24,658.68

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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.