Home / 13,737.30-20,603.70-3,877.27

Finding the Fourth Proportional to 13,737.30, 20,603.70 and 3,877.27

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Solution

The fourth proportional to 13,737.30, 20,603.70 and 3,877.27 is: 5,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.30 : 20,603.70 = 3,877.27 : x
  2. Step 2: Convert to fraction form
    13,737.30/20,603.70 = 3,877.27/x
  3. Step 3: Cross multiply
    13,737.30x = 20,603.70 × 3,877.27
  4. Step 4: Simplify right side
    13,737.30x = 79,886,056.39
  5. Step 5: Solve for x
    x = 79,886,056.39/13,737.30
  6. Step 6: Final answer
    x = 5,815.27

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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.