Home / 18,031.10-26,999.33-12,737.48

Finding the Fourth Proportional to 18,031.10, 26,999.33 and 12,737.48

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Solution

The fourth proportional to 18,031.10, 26,999.33 and 12,737.48 is: 19,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.10 : 26,999.33 = 12,737.48 : x
  2. Step 2: Convert to fraction form
    18,031.10/26,999.33 = 12,737.48/x
  3. Step 3: Cross multiply
    18,031.10x = 26,999.33 × 12,737.48
  4. Step 4: Simplify right side
    18,031.10x = 343,903,227.20
  5. Step 5: Solve for x
    x = 343,903,227.20/18,031.10
  6. Step 6: Final answer
    x = 19,072.79

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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.