Home / 13,426.02-20,149.41-9,294.90

Finding the Fourth Proportional to 13,426.02, 20,149.41 and 9,294.90

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Solution

The fourth proportional to 13,426.02, 20,149.41 and 9,294.90 is: 13,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.02 : 20,149.41 = 9,294.90 : x
  2. Step 2: Convert to fraction form
    13,426.02/20,149.41 = 9,294.90/x
  3. Step 3: Cross multiply
    13,426.02x = 20,149.41 × 9,294.90
  4. Step 4: Simplify right side
    13,426.02x = 187,286,751.01
  5. Step 5: Solve for x
    x = 187,286,751.01/13,426.02
  6. Step 6: Final answer
    x = 13,949.54

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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.