Home / 19,470.28-26,868.96-11,086.78

Finding the Fourth Proportional to 19,470.28, 26,868.96 and 11,086.78

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Solution

The fourth proportional to 19,470.28, 26,868.96 and 11,086.78 is: 15,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.28 : 26,868.96 = 11,086.78 : x
  2. Step 2: Convert to fraction form
    19,470.28/26,868.96 = 11,086.78/x
  3. Step 3: Cross multiply
    19,470.28x = 26,868.96 × 11,086.78
  4. Step 4: Simplify right side
    19,470.28x = 297,890,248.35
  5. Step 5: Solve for x
    x = 297,890,248.35/19,470.28
  6. Step 6: Final answer
    x = 15,299.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.