Home / 18,084.60-27,113.40-9,325.80

Finding the Fourth Proportional to 18,084.60, 27,113.40 and 9,325.80

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Solution

The fourth proportional to 18,084.60, 27,113.40 and 9,325.80 is: 13,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.60 : 27,113.40 = 9,325.80 : x
  2. Step 2: Convert to fraction form
    18,084.60/27,113.40 = 9,325.80/x
  3. Step 3: Cross multiply
    18,084.60x = 27,113.40 × 9,325.80
  4. Step 4: Simplify right side
    18,084.60x = 252,854,145.72
  5. Step 5: Solve for x
    x = 252,854,145.72/18,084.60
  6. Step 6: Final answer
    x = 13,981.74

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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.