Home / 9,440.10-14,132.79-8,439.54

Finding the Fourth Proportional to 9,440.10, 14,132.79 and 8,439.54

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Solution

The fourth proportional to 9,440.10, 14,132.79 and 8,439.54 is: 12,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.10 : 14,132.79 = 8,439.54 : x
  2. Step 2: Convert to fraction form
    9,440.10/14,132.79 = 8,439.54/x
  3. Step 3: Cross multiply
    9,440.10x = 14,132.79 × 8,439.54
  4. Step 4: Simplify right side
    9,440.10x = 119,274,246.52
  5. Step 5: Solve for x
    x = 119,274,246.52/9,440.10
  6. Step 6: Final answer
    x = 12,634.85

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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.