Home / 12,901.53-19,350.27-3,542.25

Finding the Fourth Proportional to 12,901.53, 19,350.27 and 3,542.25

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Solution

The fourth proportional to 12,901.53, 19,350.27 and 3,542.25 is: 5,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.53 : 19,350.27 = 3,542.25 : x
  2. Step 2: Convert to fraction form
    12,901.53/19,350.27 = 3,542.25/x
  3. Step 3: Cross multiply
    12,901.53x = 19,350.27 × 3,542.25
  4. Step 4: Simplify right side
    12,901.53x = 68,543,493.91
  5. Step 5: Solve for x
    x = 68,543,493.91/12,901.53
  6. Step 6: Final answer
    x = 5,312.82

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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.