Home / 12,240.14-18,318.47-8,493.17

Finding the Fourth Proportional to 12,240.14, 18,318.47 and 8,493.17

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Solution

The fourth proportional to 12,240.14, 18,318.47 and 8,493.17 is: 12,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.14 : 18,318.47 = 8,493.17 : x
  2. Step 2: Convert to fraction form
    12,240.14/18,318.47 = 8,493.17/x
  3. Step 3: Cross multiply
    12,240.14x = 18,318.47 × 8,493.17
  4. Step 4: Simplify right side
    12,240.14x = 155,581,745.79
  5. Step 5: Solve for x
    x = 155,581,745.79/12,240.14
  6. Step 6: Final answer
    x = 12,710.79

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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.