Home / 12,402.11-18,603.20-3,042.18

Finding the Fourth Proportional to 12,402.11, 18,603.20 and 3,042.18

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Solution

The fourth proportional to 12,402.11, 18,603.20 and 3,042.18 is: 4,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.11 : 18,603.20 = 3,042.18 : x
  2. Step 2: Convert to fraction form
    12,402.11/18,603.20 = 3,042.18/x
  3. Step 3: Cross multiply
    12,402.11x = 18,603.20 × 3,042.18
  4. Step 4: Simplify right side
    12,402.11x = 56,594,290.58
  5. Step 5: Solve for x
    x = 56,594,290.58/12,402.11
  6. Step 6: Final answer
    x = 4,563.28

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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.