Home / 13,429.02-20,153.92-9,297.90

Finding the Fourth Proportional to 13,429.02, 20,153.92 and 9,297.90

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Solution

The fourth proportional to 13,429.02, 20,153.92 and 9,297.90 is: 13,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.02 : 20,153.92 = 9,297.90 : x
  2. Step 2: Convert to fraction form
    13,429.02/20,153.92 = 9,297.90/x
  3. Step 3: Cross multiply
    13,429.02x = 20,153.92 × 9,297.90
  4. Step 4: Simplify right side
    13,429.02x = 187,389,132.77
  5. Step 5: Solve for x
    x = 187,389,132.77/13,429.02
  6. Step 6: Final answer
    x = 13,954.04

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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.