Home / 17,655.41-26,470.27-8,290.60

Finding the Fourth Proportional to 17,655.41, 26,470.27 and 8,290.60

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Solution

The fourth proportional to 17,655.41, 26,470.27 and 8,290.60 is: 12,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.41 : 26,470.27 = 8,290.60 : x
  2. Step 2: Convert to fraction form
    17,655.41/26,470.27 = 8,290.60/x
  3. Step 3: Cross multiply
    17,655.41x = 26,470.27 × 8,290.60
  4. Step 4: Simplify right side
    17,655.41x = 219,454,333.56
  5. Step 5: Solve for x
    x = 219,454,333.56/17,655.41
  6. Step 6: Final answer
    x = 12,429.87

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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.