Home / 16,239.20-24,350.16-7,681.68

Finding the Fourth Proportional to 16,239.20, 24,350.16 and 7,681.68

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Solution

The fourth proportional to 16,239.20, 24,350.16 and 7,681.68 is: 11,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.20 : 24,350.16 = 7,681.68 : x
  2. Step 2: Convert to fraction form
    16,239.20/24,350.16 = 7,681.68/x
  3. Step 3: Cross multiply
    16,239.20x = 24,350.16 × 7,681.68
  4. Step 4: Simplify right side
    16,239.20x = 187,050,137.07
  5. Step 5: Solve for x
    x = 187,050,137.07/16,239.20
  6. Step 6: Final answer
    x = 11,518.43

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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.