Home / 18,684.28-28,026.52-5,536.76

Finding the Fourth Proportional to 18,684.28, 28,026.52 and 5,536.76

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Solution

The fourth proportional to 18,684.28, 28,026.52 and 5,536.76 is: 8,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.28 : 28,026.52 = 5,536.76 : x
  2. Step 2: Convert to fraction form
    18,684.28/28,026.52 = 5,536.76/x
  3. Step 3: Cross multiply
    18,684.28x = 28,026.52 × 5,536.76
  4. Step 4: Simplify right side
    18,684.28x = 155,176,171.10
  5. Step 5: Solve for x
    x = 155,176,171.10/18,684.28
  6. Step 6: Final answer
    x = 8,305.17

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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.