Home / 14,008.55-21,013.25-5,241.78

Finding the Fourth Proportional to 14,008.55, 21,013.25 and 5,241.78

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Solution

The fourth proportional to 14,008.55, 21,013.25 and 5,241.78 is: 7,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.55 : 21,013.25 = 5,241.78 : x
  2. Step 2: Convert to fraction form
    14,008.55/21,013.25 = 5,241.78/x
  3. Step 3: Cross multiply
    14,008.55x = 21,013.25 × 5,241.78
  4. Step 4: Simplify right side
    14,008.55x = 110,146,807.38
  5. Step 5: Solve for x
    x = 110,146,807.38/14,008.55
  6. Step 6: Final answer
    x = 7,862.83

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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.