Home / 12,695.40-17,534.24-9,704.56

Finding the Fourth Proportional to 12,695.40, 17,534.24 and 9,704.56

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Solution

The fourth proportional to 12,695.40, 17,534.24 and 9,704.56 is: 13,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.40 : 17,534.24 = 9,704.56 : x
  2. Step 2: Convert to fraction form
    12,695.40/17,534.24 = 9,704.56/x
  3. Step 3: Cross multiply
    12,695.40x = 17,534.24 × 9,704.56
  4. Step 4: Simplify right side
    12,695.40x = 170,162,084.13
  5. Step 5: Solve for x
    x = 170,162,084.13/12,695.40
  6. Step 6: Final answer
    x = 13,403.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.