Home / 12,727.61-17,564.20-7,062.38

Finding the Fourth Proportional to 12,727.61, 17,564.20 and 7,062.38

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Solution

The fourth proportional to 12,727.61, 17,564.20 and 7,062.38 is: 9,746.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.61 : 17,564.20 = 7,062.38 : x
  2. Step 2: Convert to fraction form
    12,727.61/17,564.20 = 7,062.38/x
  3. Step 3: Cross multiply
    12,727.61x = 17,564.20 × 7,062.38
  4. Step 4: Simplify right side
    12,727.61x = 124,044,975.57
  5. Step 5: Solve for x
    x = 124,044,975.57/12,727.61
  6. Step 6: Final answer
    x = 9,746.13

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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.