Home / 18,887.16-26,052.80-13,589.16

Finding the Fourth Proportional to 18,887.16, 26,052.80 and 13,589.16

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Solution

The fourth proportional to 18,887.16, 26,052.80 and 13,589.16 is: 18,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.16 : 26,052.80 = 13,589.16 : x
  2. Step 2: Convert to fraction form
    18,887.16/26,052.80 = 13,589.16/x
  3. Step 3: Cross multiply
    18,887.16x = 26,052.80 × 13,589.16
  4. Step 4: Simplify right side
    18,887.16x = 354,035,667.65
  5. Step 5: Solve for x
    x = 354,035,667.65/18,887.16
  6. Step 6: Final answer
    x = 18,744.78

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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.