Home / 13,947.26-20,957.11-13,036.12

Finding the Fourth Proportional to 13,947.26, 20,957.11 and 13,036.12

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Solution

The fourth proportional to 13,947.26, 20,957.11 and 13,036.12 is: 19,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.26 : 20,957.11 = 13,036.12 : x
  2. Step 2: Convert to fraction form
    13,947.26/20,957.11 = 13,036.12/x
  3. Step 3: Cross multiply
    13,947.26x = 20,957.11 × 13,036.12
  4. Step 4: Simplify right side
    13,947.26x = 273,199,433.71
  5. Step 5: Solve for x
    x = 273,199,433.71/13,947.26
  6. Step 6: Final answer
    x = 19,588.04

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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.