Home / 9,127.65-13,707.27-8,712.12

Finding the Fourth Proportional to 9,127.65, 13,707.27 and 8,712.12

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Solution

The fourth proportional to 9,127.65, 13,707.27 and 8,712.12 is: 13,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.65 : 13,707.27 = 8,712.12 : x
  2. Step 2: Convert to fraction form
    9,127.65/13,707.27 = 8,712.12/x
  3. Step 3: Cross multiply
    9,127.65x = 13,707.27 × 8,712.12
  4. Step 4: Simplify right side
    9,127.65x = 119,419,381.11
  5. Step 5: Solve for x
    x = 119,419,381.11/9,127.65
  6. Step 6: Final answer
    x = 13,083.26

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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.