Home / 19,512.87-29,269.34-4,721.73

Finding the Fourth Proportional to 19,512.87, 29,269.34 and 4,721.73

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Solution

The fourth proportional to 19,512.87, 29,269.34 and 4,721.73 is: 7,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.87 : 29,269.34 = 4,721.73 : x
  2. Step 2: Convert to fraction form
    19,512.87/29,269.34 = 4,721.73/x
  3. Step 3: Cross multiply
    19,512.87x = 29,269.34 × 4,721.73
  4. Step 4: Simplify right side
    19,512.87x = 138,201,897.15
  5. Step 5: Solve for x
    x = 138,201,897.15/19,512.87
  6. Step 6: Final answer
    x = 7,082.60

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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.