Home / 13,737.14-20,616.60-5,419.24

Finding the Fourth Proportional to 13,737.14, 20,616.60 and 5,419.24

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Solution

The fourth proportional to 13,737.14, 20,616.60 and 5,419.24 is: 8,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.14 : 20,616.60 = 5,419.24 : x
  2. Step 2: Convert to fraction form
    13,737.14/20,616.60 = 5,419.24/x
  3. Step 3: Cross multiply
    13,737.14x = 20,616.60 × 5,419.24
  4. Step 4: Simplify right side
    13,737.14x = 111,726,303.38
  5. Step 5: Solve for x
    x = 111,726,303.38/13,737.14
  6. Step 6: Final answer
    x = 8,133.16

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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.