Home / 17,718.83-26,578.85-9,387.57

Finding the Fourth Proportional to 17,718.83, 26,578.85 and 9,387.57

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Solution

The fourth proportional to 17,718.83, 26,578.85 and 9,387.57 is: 14,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.83 : 26,578.85 = 9,387.57 : x
  2. Step 2: Convert to fraction form
    17,718.83/26,578.85 = 9,387.57/x
  3. Step 3: Cross multiply
    17,718.83x = 26,578.85 × 9,387.57
  4. Step 4: Simplify right side
    17,718.83x = 249,510,767.96
  5. Step 5: Solve for x
    x = 249,510,767.96/17,718.83
  6. Step 6: Final answer
    x = 14,081.68

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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.