Home / 16,415.28-24,630.61-8,090.76

Finding the Fourth Proportional to 16,415.28, 24,630.61 and 8,090.76

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Solution

The fourth proportional to 16,415.28, 24,630.61 and 8,090.76 is: 12,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.28 : 24,630.61 = 8,090.76 : x
  2. Step 2: Convert to fraction form
    16,415.28/24,630.61 = 8,090.76/x
  3. Step 3: Cross multiply
    16,415.28x = 24,630.61 × 8,090.76
  4. Step 4: Simplify right side
    16,415.28x = 199,280,333.94
  5. Step 5: Solve for x
    x = 199,280,333.94/16,415.28
  6. Step 6: Final answer
    x = 12,139.93

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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.