Home / 10,302.30-15,452.55-3,376.80

Finding the Fourth Proportional to 10,302.30, 15,452.55 and 3,376.80

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Solution

The fourth proportional to 10,302.30, 15,452.55 and 3,376.80 is: 5,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.30 : 15,452.55 = 3,376.80 : x
  2. Step 2: Convert to fraction form
    10,302.30/15,452.55 = 3,376.80/x
  3. Step 3: Cross multiply
    10,302.30x = 15,452.55 × 3,376.80
  4. Step 4: Simplify right side
    10,302.30x = 52,180,170.84
  5. Step 5: Solve for x
    x = 52,180,170.84/10,302.30
  6. Step 6: Final answer
    x = 5,064.91

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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.