Home / 12,042.19-18,036.82-9,938.35

Finding the Fourth Proportional to 12,042.19, 18,036.82 and 9,938.35

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Solution

The fourth proportional to 12,042.19, 18,036.82 and 9,938.35 is: 14,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.19 : 18,036.82 = 9,938.35 : x
  2. Step 2: Convert to fraction form
    12,042.19/18,036.82 = 9,938.35/x
  3. Step 3: Cross multiply
    12,042.19x = 18,036.82 × 9,938.35
  4. Step 4: Simplify right side
    12,042.19x = 179,256,230.05
  5. Step 5: Solve for x
    x = 179,256,230.05/12,042.19
  6. Step 6: Final answer
    x = 14,885.68

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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.