Home / 9,127.15-13,680.20-4,124.13

Finding the Fourth Proportional to 9,127.15, 13,680.20 and 4,124.13

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Solution

The fourth proportional to 9,127.15, 13,680.20 and 4,124.13 is: 6,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.15 : 13,680.20 = 4,124.13 : x
  2. Step 2: Convert to fraction form
    9,127.15/13,680.20 = 4,124.13/x
  3. Step 3: Cross multiply
    9,127.15x = 13,680.20 × 4,124.13
  4. Step 4: Simplify right side
    9,127.15x = 56,418,854.83
  5. Step 5: Solve for x
    x = 56,418,854.83/9,127.15
  6. Step 6: Final answer
    x = 6,181.43

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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.