Home / 18,884.40-28,326.68-5,736.88

Finding the Fourth Proportional to 18,884.40, 28,326.68 and 5,736.88

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Solution

The fourth proportional to 18,884.40, 28,326.68 and 5,736.88 is: 8,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.40 : 28,326.68 = 5,736.88 : x
  2. Step 2: Convert to fraction form
    18,884.40/28,326.68 = 5,736.88/x
  3. Step 3: Cross multiply
    18,884.40x = 28,326.68 × 5,736.88
  4. Step 4: Simplify right side
    18,884.40x = 162,506,763.96
  5. Step 5: Solve for x
    x = 162,506,763.96/18,884.40
  6. Step 6: Final answer
    x = 8,605.34

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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.