Home / 10,747.02-16,117.92-8,401.22

Finding the Fourth Proportional to 10,747.02, 16,117.92 and 8,401.22

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Solution

The fourth proportional to 10,747.02, 16,117.92 and 8,401.22 is: 12,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.02 : 16,117.92 = 8,401.22 : x
  2. Step 2: Convert to fraction form
    10,747.02/16,117.92 = 8,401.22/x
  3. Step 3: Cross multiply
    10,747.02x = 16,117.92 × 8,401.22
  4. Step 4: Simplify right side
    10,747.02x = 135,410,191.86
  5. Step 5: Solve for x
    x = 135,410,191.86/10,747.02
  6. Step 6: Final answer
    x = 12,599.79

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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.