Home / 18,528.60-27,793.04-5,380.95

Finding the Fourth Proportional to 18,528.60, 27,793.04 and 5,380.95

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Solution

The fourth proportional to 18,528.60, 27,793.04 and 5,380.95 is: 8,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.60 : 27,793.04 = 5,380.95 : x
  2. Step 2: Convert to fraction form
    18,528.60/27,793.04 = 5,380.95/x
  3. Step 3: Cross multiply
    18,528.60x = 27,793.04 × 5,380.95
  4. Step 4: Simplify right side
    18,528.60x = 149,552,931.68
  5. Step 5: Solve for x
    x = 149,552,931.68/18,528.60
  6. Step 6: Final answer
    x = 8,071.46

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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.