Home / 19,799.28-29,695.14-12,768.24

Finding the Fourth Proportional to 19,799.28, 29,695.14 and 12,768.24

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Solution

The fourth proportional to 19,799.28, 29,695.14 and 12,768.24 is: 19,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.28 : 29,695.14 = 12,768.24 : x
  2. Step 2: Convert to fraction form
    19,799.28/29,695.14 = 12,768.24/x
  3. Step 3: Cross multiply
    19,799.28x = 29,695.14 × 12,768.24
  4. Step 4: Simplify right side
    19,799.28x = 379,154,674.35
  5. Step 5: Solve for x
    x = 379,154,674.35/19,799.28
  6. Step 6: Final answer
    x = 19,149.92

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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.