Home / 9,113.80-12,576.18-5,134

Finding the Fourth Proportional to 9,113.80, 12,576.18 and 5,134

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Solution

The fourth proportional to 9,113.80, 12,576.18 and 5,134 is: 7,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.80 : 12,576.18 = 5,134 : x
  2. Step 2: Convert to fraction form
    9,113.80/12,576.18 = 5,134/x
  3. Step 3: Cross multiply
    9,113.80x = 12,576.18 × 5,134
  4. Step 4: Simplify right side
    9,113.80x = 64,566,108.12
  5. Step 5: Solve for x
    x = 64,566,108.12/9,113.80
  6. Step 6: Final answer
    x = 7,084.43

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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.