Home / 17,520.45-26,287.46-6,434.79

Finding the Fourth Proportional to 17,520.45, 26,287.46 and 6,434.79

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Solution

The fourth proportional to 17,520.45, 26,287.46 and 6,434.79 is: 9,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.45 : 26,287.46 = 6,434.79 : x
  2. Step 2: Convert to fraction form
    17,520.45/26,287.46 = 6,434.79/x
  3. Step 3: Cross multiply
    17,520.45x = 26,287.46 × 6,434.79
  4. Step 4: Simplify right side
    17,520.45x = 169,154,284.73
  5. Step 5: Solve for x
    x = 169,154,284.73/17,520.45
  6. Step 6: Final answer
    x = 9,654.68

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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.