Home / 12,658.94-17,444.66-9,115.46

Finding the Fourth Proportional to 12,658.94, 17,444.66 and 9,115.46

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Solution

The fourth proportional to 12,658.94, 17,444.66 and 9,115.46 is: 12,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.94 : 17,444.66 = 9,115.46 : x
  2. Step 2: Convert to fraction form
    12,658.94/17,444.66 = 9,115.46/x
  3. Step 3: Cross multiply
    12,658.94x = 17,444.66 × 9,115.46
  4. Step 4: Simplify right side
    12,658.94x = 159,016,100.44
  5. Step 5: Solve for x
    x = 159,016,100.44/12,658.94
  6. Step 6: Final answer
    x = 12,561.57

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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.