Home / 18,902.56-26,041.86-13,588.18

Finding the Fourth Proportional to 18,902.56, 26,041.86 and 13,588.18

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Solution

The fourth proportional to 18,902.56, 26,041.86 and 13,588.18 is: 18,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.56 : 26,041.86 = 13,588.18 : x
  2. Step 2: Convert to fraction form
    18,902.56/26,041.86 = 13,588.18/x
  3. Step 3: Cross multiply
    18,902.56x = 26,041.86 × 13,588.18
  4. Step 4: Simplify right side
    18,902.56x = 353,861,481.21
  5. Step 5: Solve for x
    x = 353,861,481.21/18,902.56
  6. Step 6: Final answer
    x = 18,720.29

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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.