Home / 17,621.74-26,432.61-8,854.57

Finding the Fourth Proportional to 17,621.74, 26,432.61 and 8,854.57

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Solution

The fourth proportional to 17,621.74, 26,432.61 and 8,854.57 is: 13,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.74 : 26,432.61 = 8,854.57 : x
  2. Step 2: Convert to fraction form
    17,621.74/26,432.61 = 8,854.57/x
  3. Step 3: Cross multiply
    17,621.74x = 26,432.61 × 8,854.57
  4. Step 4: Simplify right side
    17,621.74x = 234,049,395.53
  5. Step 5: Solve for x
    x = 234,049,395.53/17,621.74
  6. Step 6: Final answer
    x = 13,281.86

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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.