Home / 18,877.90-26,052.17-10,380.67

Finding the Fourth Proportional to 18,877.90, 26,052.17 and 10,380.67

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Solution

The fourth proportional to 18,877.90, 26,052.17 and 10,380.67 is: 14,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.90 : 26,052.17 = 10,380.67 : x
  2. Step 2: Convert to fraction form
    18,877.90/26,052.17 = 10,380.67/x
  3. Step 3: Cross multiply
    18,877.90x = 26,052.17 × 10,380.67
  4. Step 4: Simplify right side
    18,877.90x = 270,438,862.52
  5. Step 5: Solve for x
    x = 270,438,862.52/18,877.90
  6. Step 6: Final answer
    x = 14,325.69

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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.