Home / 13,901.10-20,854.89-4,040.57

Finding the Fourth Proportional to 13,901.10, 20,854.89 and 4,040.57

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Solution

The fourth proportional to 13,901.10, 20,854.89 and 4,040.57 is: 6,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.10 : 20,854.89 = 4,040.57 : x
  2. Step 2: Convert to fraction form
    13,901.10/20,854.89 = 4,040.57/x
  3. Step 3: Cross multiply
    13,901.10x = 20,854.89 × 4,040.57
  4. Step 4: Simplify right side
    13,901.10x = 84,265,538.61
  5. Step 5: Solve for x
    x = 84,265,538.61/13,901.10
  6. Step 6: Final answer
    x = 6,061.79

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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.