Home / 12,402.07-18,602.71-3,042.11

Finding the Fourth Proportional to 12,402.07, 18,602.71 and 3,042.11

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Solution

The fourth proportional to 12,402.07, 18,602.71 and 3,042.11 is: 4,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.07 : 18,602.71 = 3,042.11 : x
  2. Step 2: Convert to fraction form
    12,402.07/18,602.71 = 3,042.11/x
  3. Step 3: Cross multiply
    12,402.07x = 18,602.71 × 3,042.11
  4. Step 4: Simplify right side
    12,402.07x = 56,591,490.12
  5. Step 5: Solve for x
    x = 56,591,490.12/12,402.07
  6. Step 6: Final answer
    x = 4,563.07

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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.