Home / 12,034.23-18,047.70-4,638.12

Finding the Fourth Proportional to 12,034.23, 18,047.70 and 4,638.12

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Solution

The fourth proportional to 12,034.23, 18,047.70 and 4,638.12 is: 6,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.23 : 18,047.70 = 4,638.12 : x
  2. Step 2: Convert to fraction form
    12,034.23/18,047.70 = 4,638.12/x
  3. Step 3: Cross multiply
    12,034.23x = 18,047.70 × 4,638.12
  4. Step 4: Simplify right side
    12,034.23x = 83,707,398.32
  5. Step 5: Solve for x
    x = 83,707,398.32/12,034.23
  6. Step 6: Final answer
    x = 6,955.78

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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.