Home / 17,575.68-26,363.63-7,187.43

Finding the Fourth Proportional to 17,575.68, 26,363.63 and 7,187.43

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Solution

The fourth proportional to 17,575.68, 26,363.63 and 7,187.43 is: 10,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,575.68 : 26,363.63 = 7,187.43 : x
  2. Step 2: Convert to fraction form
    17,575.68/26,363.63 = 7,187.43/x
  3. Step 3: Cross multiply
    17,575.68x = 26,363.63 × 7,187.43
  4. Step 4: Simplify right side
    17,575.68x = 189,486,821.57
  5. Step 5: Solve for x
    x = 189,486,821.57/17,575.68
  6. Step 6: Final answer
    x = 10,781.19

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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.