Home / 19,217.28-26,519.91-10,719.90

Finding the Fourth Proportional to 19,217.28, 26,519.91 and 10,719.90

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Solution

The fourth proportional to 19,217.28, 26,519.91 and 10,719.90 is: 14,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.28 : 26,519.91 = 10,719.90 : x
  2. Step 2: Convert to fraction form
    19,217.28/26,519.91 = 10,719.90/x
  3. Step 3: Cross multiply
    19,217.28x = 26,519.91 × 10,719.90
  4. Step 4: Simplify right side
    19,217.28x = 284,290,783.21
  5. Step 5: Solve for x
    x = 284,290,783.21/19,217.28
  6. Step 6: Final answer
    x = 14,793.50

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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.