Home / 17,854.68-26,785.86-5,373.66

Finding the Fourth Proportional to 17,854.68, 26,785.86 and 5,373.66

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Solution

The fourth proportional to 17,854.68, 26,785.86 and 5,373.66 is: 8,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,854.68 : 26,785.86 = 5,373.66 : x
  2. Step 2: Convert to fraction form
    17,854.68/26,785.86 = 5,373.66/x
  3. Step 3: Cross multiply
    17,854.68x = 26,785.86 × 5,373.66
  4. Step 4: Simplify right side
    17,854.68x = 143,938,104.45
  5. Step 5: Solve for x
    x = 143,938,104.45/17,854.68
  6. Step 6: Final answer
    x = 8,061.65

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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.