Home / 18,152.28-27,221.10-5,668.20

Finding the Fourth Proportional to 18,152.28, 27,221.10 and 5,668.20

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Solution

The fourth proportional to 18,152.28, 27,221.10 and 5,668.20 is: 8,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.28 : 27,221.10 = 5,668.20 : x
  2. Step 2: Convert to fraction form
    18,152.28/27,221.10 = 5,668.20/x
  3. Step 3: Cross multiply
    18,152.28x = 27,221.10 × 5,668.20
  4. Step 4: Simplify right side
    18,152.28x = 154,294,639.02
  5. Step 5: Solve for x
    x = 154,294,639.02/18,152.28
  6. Step 6: Final answer
    x = 8,500.01

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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.