Home / 17,655.66-26,470.64-8,290.85

Finding the Fourth Proportional to 17,655.66, 26,470.64 and 8,290.85

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Solution

The fourth proportional to 17,655.66, 26,470.64 and 8,290.85 is: 12,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.66 : 26,470.64 = 8,290.85 : x
  2. Step 2: Convert to fraction form
    17,655.66/26,470.64 = 8,290.85/x
  3. Step 3: Cross multiply
    17,655.66x = 26,470.64 × 8,290.85
  4. Step 4: Simplify right side
    17,655.66x = 219,464,105.64
  5. Step 5: Solve for x
    x = 219,464,105.64/17,655.66
  6. Step 6: Final answer
    x = 12,430.24

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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.