Home / 19,689.74-29,539.60-6,542.18

Finding the Fourth Proportional to 19,689.74, 29,539.60 and 6,542.18

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Solution

The fourth proportional to 19,689.74, 29,539.60 and 6,542.18 is: 9,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.74 : 29,539.60 = 6,542.18 : x
  2. Step 2: Convert to fraction form
    19,689.74/29,539.60 = 6,542.18/x
  3. Step 3: Cross multiply
    19,689.74x = 29,539.60 × 6,542.18
  4. Step 4: Simplify right side
    19,689.74x = 193,253,380.33
  5. Step 5: Solve for x
    x = 193,253,380.33/19,689.74
  6. Step 6: Final answer
    x = 9,814.93

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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.