Home / 13,737.28-20,610.03-9,742.36

Finding the Fourth Proportional to 13,737.28, 20,610.03 and 9,742.36

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Solution

The fourth proportional to 13,737.28, 20,610.03 and 9,742.36 is: 14,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.28 : 20,610.03 = 9,742.36 : x
  2. Step 2: Convert to fraction form
    13,737.28/20,610.03 = 9,742.36/x
  3. Step 3: Cross multiply
    13,737.28x = 20,610.03 × 9,742.36
  4. Step 4: Simplify right side
    13,737.28x = 200,790,300.72
  5. Step 5: Solve for x
    x = 200,790,300.72/13,737.28
  6. Step 6: Final answer
    x = 14,616.45

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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.