Home / 12,580.68-17,360.15-7,543.97

Finding the Fourth Proportional to 12,580.68, 17,360.15 and 7,543.97

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Solution

The fourth proportional to 12,580.68, 17,360.15 and 7,543.97 is: 10,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.68 : 17,360.15 = 7,543.97 : x
  2. Step 2: Convert to fraction form
    12,580.68/17,360.15 = 7,543.97/x
  3. Step 3: Cross multiply
    12,580.68x = 17,360.15 × 7,543.97
  4. Step 4: Simplify right side
    12,580.68x = 130,964,326.27
  5. Step 5: Solve for x
    x = 130,964,326.27/12,580.68
  6. Step 6: Final answer
    x = 10,409.96

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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.