Home / 11,452.50-17,178.30-6,454.80

Finding the Fourth Proportional to 11,452.50, 17,178.30 and 6,454.80

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Solution

The fourth proportional to 11,452.50, 17,178.30 and 6,454.80 is: 9,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.50 : 17,178.30 = 6,454.80 : x
  2. Step 2: Convert to fraction form
    11,452.50/17,178.30 = 6,454.80/x
  3. Step 3: Cross multiply
    11,452.50x = 17,178.30 × 6,454.80
  4. Step 4: Simplify right side
    11,452.50x = 110,882,490.84
  5. Step 5: Solve for x
    x = 110,882,490.84/11,452.50
  6. Step 6: Final answer
    x = 9,681.95

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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.