Home / 10,123.48-15,184.09-2,728.68

Finding the Fourth Proportional to 10,123.48, 15,184.09 and 2,728.68

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Solution

The fourth proportional to 10,123.48, 15,184.09 and 2,728.68 is: 4,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.48 : 15,184.09 = 2,728.68 : x
  2. Step 2: Convert to fraction form
    10,123.48/15,184.09 = 2,728.68/x
  3. Step 3: Cross multiply
    10,123.48x = 15,184.09 × 2,728.68
  4. Step 4: Simplify right side
    10,123.48x = 41,432,522.70
  5. Step 5: Solve for x
    x = 41,432,522.70/10,123.48
  6. Step 6: Final answer
    x = 4,092.72

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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.