Home / 18,834.24-28,254-5,685.12

Finding the Fourth Proportional to 18,834.24, 28,254 and 5,685.12

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Solution

The fourth proportional to 18,834.24, 28,254 and 5,685.12 is: 8,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.24 : 28,254 = 5,685.12 : x
  2. Step 2: Convert to fraction form
    18,834.24/28,254 = 5,685.12/x
  3. Step 3: Cross multiply
    18,834.24x = 28,254 × 5,685.12
  4. Step 4: Simplify right side
    18,834.24x = 160,627,380.48
  5. Step 5: Solve for x
    x = 160,627,380.48/18,834.24
  6. Step 6: Final answer
    x = 8,528.48

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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.