Home / 11,617.11-16,031.93-6,312.29

Finding the Fourth Proportional to 11,617.11, 16,031.93 and 6,312.29

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Solution

The fourth proportional to 11,617.11, 16,031.93 and 6,312.29 is: 8,711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.11 : 16,031.93 = 6,312.29 : x
  2. Step 2: Convert to fraction form
    11,617.11/16,031.93 = 6,312.29/x
  3. Step 3: Cross multiply
    11,617.11x = 16,031.93 × 6,312.29
  4. Step 4: Simplify right side
    11,617.11x = 101,198,079.70
  5. Step 5: Solve for x
    x = 101,198,079.70/11,617.11
  6. Step 6: Final answer
    x = 8,711.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.