Home / 13,737.15-20,607.55-6,343.27

Finding the Fourth Proportional to 13,737.15, 20,607.55 and 6,343.27

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Solution

The fourth proportional to 13,737.15, 20,607.55 and 6,343.27 is: 9,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.15 : 20,607.55 = 6,343.27 : x
  2. Step 2: Convert to fraction form
    13,737.15/20,607.55 = 6,343.27/x
  3. Step 3: Cross multiply
    13,737.15x = 20,607.55 × 6,343.27
  4. Step 4: Simplify right side
    13,737.15x = 130,719,186.31
  5. Step 5: Solve for x
    x = 130,719,186.31/13,737.15
  6. Step 6: Final answer
    x = 9,515.74

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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.