Home / 18,013.56-24,857.52-13,767.48

Finding the Fourth Proportional to 18,013.56, 24,857.52 and 13,767.48

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Solution

The fourth proportional to 18,013.56, 24,857.52 and 13,767.48 is: 18,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.56 : 24,857.52 = 13,767.48 : x
  2. Step 2: Convert to fraction form
    18,013.56/24,857.52 = 13,767.48/x
  3. Step 3: Cross multiply
    18,013.56x = 24,857.52 × 13,767.48
  4. Step 4: Simplify right side
    18,013.56x = 342,225,409.45
  5. Step 5: Solve for x
    x = 342,225,409.45/18,013.56
  6. Step 6: Final answer
    x = 18,998.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.