Home / 19,720.68-29,581.20-6,573

Finding the Fourth Proportional to 19,720.68, 29,581.20 and 6,573

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Solution

The fourth proportional to 19,720.68, 29,581.20 and 6,573 is: 9,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.68 : 29,581.20 = 6,573 : x
  2. Step 2: Convert to fraction form
    19,720.68/29,581.20 = 6,573/x
  3. Step 3: Cross multiply
    19,720.68x = 29,581.20 × 6,573
  4. Step 4: Simplify right side
    19,720.68x = 194,437,227.60
  5. Step 5: Solve for x
    x = 194,437,227.60/19,720.68
  6. Step 6: Final answer
    x = 9,859.56

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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.