Home / 14,147.28-21,202.65-5,817.69

Finding the Fourth Proportional to 14,147.28, 21,202.65 and 5,817.69

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Solution

The fourth proportional to 14,147.28, 21,202.65 and 5,817.69 is: 8,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.28 : 21,202.65 = 5,817.69 : x
  2. Step 2: Convert to fraction form
    14,147.28/21,202.65 = 5,817.69/x
  3. Step 3: Cross multiply
    14,147.28x = 21,202.65 × 5,817.69
  4. Step 4: Simplify right side
    14,147.28x = 123,350,444.88
  5. Step 5: Solve for x
    x = 123,350,444.88/14,147.28
  6. Step 6: Final answer
    x = 8,719.02

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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.