Home / 12,437.46-17,163.30-7,400.53

Finding the Fourth Proportional to 12,437.46, 17,163.30 and 7,400.53

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Solution

The fourth proportional to 12,437.46, 17,163.30 and 7,400.53 is: 10,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.46 : 17,163.30 = 7,400.53 : x
  2. Step 2: Convert to fraction form
    12,437.46/17,163.30 = 7,400.53/x
  3. Step 3: Cross multiply
    12,437.46x = 17,163.30 × 7,400.53
  4. Step 4: Simplify right side
    12,437.46x = 127,017,393.73
  5. Step 5: Solve for x
    x = 127,017,393.73/12,437.46
  6. Step 6: Final answer
    x = 10,212.49

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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.