Home / 17,617.47-26,425.85-4,290.54

Finding the Fourth Proportional to 17,617.47, 26,425.85 and 4,290.54

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Solution

The fourth proportional to 17,617.47, 26,425.85 and 4,290.54 is: 6,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.47 : 26,425.85 = 4,290.54 : x
  2. Step 2: Convert to fraction form
    17,617.47/26,425.85 = 4,290.54/x
  3. Step 3: Cross multiply
    17,617.47x = 26,425.85 × 4,290.54
  4. Step 4: Simplify right side
    17,617.47x = 113,381,045.91
  5. Step 5: Solve for x
    x = 113,381,045.91/17,617.47
  6. Step 6: Final answer
    x = 6,435.72

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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.