Home / 18,878.85-26,052.92-10,381.14

Finding the Fourth Proportional to 18,878.85, 26,052.92 and 10,381.14

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Solution

The fourth proportional to 18,878.85, 26,052.92 and 10,381.14 is: 14,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.85 : 26,052.92 = 10,381.14 : x
  2. Step 2: Convert to fraction form
    18,878.85/26,052.92 = 10,381.14/x
  3. Step 3: Cross multiply
    18,878.85x = 26,052.92 × 10,381.14
  4. Step 4: Simplify right side
    18,878.85x = 270,459,009.93
  5. Step 5: Solve for x
    x = 270,459,009.93/18,878.85
  6. Step 6: Final answer
    x = 14,326.03

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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.