Home / 13,938.96-20,904.03-4,577.43

Finding the Fourth Proportional to 13,938.96, 20,904.03 and 4,577.43

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Solution

The fourth proportional to 13,938.96, 20,904.03 and 4,577.43 is: 6,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938.96 : 20,904.03 = 4,577.43 : x
  2. Step 2: Convert to fraction form
    13,938.96/20,904.03 = 4,577.43/x
  3. Step 3: Cross multiply
    13,938.96x = 20,904.03 × 4,577.43
  4. Step 4: Simplify right side
    13,938.96x = 95,686,711.16
  5. Step 5: Solve for x
    x = 95,686,711.16/13,938.96
  6. Step 6: Final answer
    x = 6,864.70

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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.