Home / 16,385.68-24,578.40-7,615.72

Finding the Fourth Proportional to 16,385.68, 24,578.40 and 7,615.72

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Solution

The fourth proportional to 16,385.68, 24,578.40 and 7,615.72 is: 11,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.68 : 24,578.40 = 7,615.72 : x
  2. Step 2: Convert to fraction form
    16,385.68/24,578.40 = 7,615.72/x
  3. Step 3: Cross multiply
    16,385.68x = 24,578.40 × 7,615.72
  4. Step 4: Simplify right side
    16,385.68x = 187,182,212.45
  5. Step 5: Solve for x
    x = 187,182,212.45/16,385.68
  6. Step 6: Final answer
    x = 11,423.52

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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.