Home / 10,454.28-15,679.53-4,214.04

Finding the Fourth Proportional to 10,454.28, 15,679.53 and 4,214.04

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Solution

The fourth proportional to 10,454.28, 15,679.53 and 4,214.04 is: 6,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.28 : 15,679.53 = 4,214.04 : x
  2. Step 2: Convert to fraction form
    10,454.28/15,679.53 = 4,214.04/x
  3. Step 3: Cross multiply
    10,454.28x = 15,679.53 × 4,214.04
  4. Step 4: Simplify right side
    10,454.28x = 66,074,166.60
  5. Step 5: Solve for x
    x = 66,074,166.60/10,454.28
  6. Step 6: Final answer
    x = 6,320.30

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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.