Home / 19,721.46-29,572.20-6,569.22

Finding the Fourth Proportional to 19,721.46, 29,572.20 and 6,569.22

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Solution

The fourth proportional to 19,721.46, 29,572.20 and 6,569.22 is: 9,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.46 : 29,572.20 = 6,569.22 : x
  2. Step 2: Convert to fraction form
    19,721.46/29,572.20 = 6,569.22/x
  3. Step 3: Cross multiply
    19,721.46x = 29,572.20 × 6,569.22
  4. Step 4: Simplify right side
    19,721.46x = 194,266,287.68
  5. Step 5: Solve for x
    x = 194,266,287.68/19,721.46
  6. Step 6: Final answer
    x = 9,850.50

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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.