Home / 19,793.48-29,689.18-6,646.12

Finding the Fourth Proportional to 19,793.48, 29,689.18 and 6,646.12

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Solution

The fourth proportional to 19,793.48, 29,689.18 and 6,646.12 is: 9,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.48 : 29,689.18 = 6,646.12 : x
  2. Step 2: Convert to fraction form
    19,793.48/29,689.18 = 6,646.12/x
  3. Step 3: Cross multiply
    19,793.48x = 29,689.18 × 6,646.12
  4. Step 4: Simplify right side
    19,793.48x = 197,317,852.98
  5. Step 5: Solve for x
    x = 197,317,852.98/19,793.48
  6. Step 6: Final answer
    x = 9,968.83

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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.