Home / 13,986.27-20,972.17-4,124.29

Finding the Fourth Proportional to 13,986.27, 20,972.17 and 4,124.29

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Solution

The fourth proportional to 13,986.27, 20,972.17 and 4,124.29 is: 6,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.27 : 20,972.17 = 4,124.29 : x
  2. Step 2: Convert to fraction form
    13,986.27/20,972.17 = 4,124.29/x
  3. Step 3: Cross multiply
    13,986.27x = 20,972.17 × 4,124.29
  4. Step 4: Simplify right side
    13,986.27x = 86,495,311.01
  5. Step 5: Solve for x
    x = 86,495,311.01/13,986.27
  6. Step 6: Final answer
    x = 6,184.30

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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.