Home / 14,485.41-21,737.85-5,125.39

Finding the Fourth Proportional to 14,485.41, 21,737.85 and 5,125.39

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Solution

The fourth proportional to 14,485.41, 21,737.85 and 5,125.39 is: 7,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.41 : 21,737.85 = 5,125.39 : x
  2. Step 2: Convert to fraction form
    14,485.41/21,737.85 = 5,125.39/x
  3. Step 3: Cross multiply
    14,485.41x = 21,737.85 × 5,125.39
  4. Step 4: Simplify right side
    14,485.41x = 111,414,885.45
  5. Step 5: Solve for x
    x = 111,414,885.45/14,485.41
  6. Step 6: Final answer
    x = 7,691.52

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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.