Home / 19,542.28-29,323.98-12,971.56

Finding the Fourth Proportional to 19,542.28, 29,323.98 and 12,971.56

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Solution

The fourth proportional to 19,542.28, 29,323.98 and 12,971.56 is: 19,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.28 : 29,323.98 = 12,971.56 : x
  2. Step 2: Convert to fraction form
    19,542.28/29,323.98 = 12,971.56/x
  3. Step 3: Cross multiply
    19,542.28x = 29,323.98 × 12,971.56
  4. Step 4: Simplify right side
    19,542.28x = 380,377,766.01
  5. Step 5: Solve for x
    x = 380,377,766.01/19,542.28
  6. Step 6: Final answer
    x = 19,464.35

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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.