Home / 18,294.18-27,453.75-8,433.55

Finding the Fourth Proportional to 18,294.18, 27,453.75 and 8,433.55

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Solution

The fourth proportional to 18,294.18, 27,453.75 and 8,433.55 is: 12,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.18 : 27,453.75 = 8,433.55 : x
  2. Step 2: Convert to fraction form
    18,294.18/27,453.75 = 8,433.55/x
  3. Step 3: Cross multiply
    18,294.18x = 27,453.75 × 8,433.55
  4. Step 4: Simplify right side
    18,294.18x = 231,532,393.88
  5. Step 5: Solve for x
    x = 231,532,393.88/18,294.18
  6. Step 6: Final answer
    x = 12,656.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.