Home / 21,402.12-32,098.14-12,046.12

Finding the Fourth Proportional to 21,402.12, 32,098.14 and 12,046.12

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Solution

The fourth proportional to 21,402.12, 32,098.14 and 12,046.12 is: 18,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.12 : 32,098.14 = 12,046.12 : x
  2. Step 2: Convert to fraction form
    21,402.12/32,098.14 = 12,046.12/x
  3. Step 3: Cross multiply
    21,402.12x = 32,098.14 × 12,046.12
  4. Step 4: Simplify right side
    21,402.12x = 386,658,046.22
  5. Step 5: Solve for x
    x = 386,658,046.22/21,402.12
  6. Step 6: Final answer
    x = 18,066.34

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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.