Home / 18,320.65-25,286.18-10,769.42

Finding the Fourth Proportional to 18,320.65, 25,286.18 and 10,769.42

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Solution

The fourth proportional to 18,320.65, 25,286.18 and 10,769.42 is: 14,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.65 : 25,286.18 = 10,769.42 : x
  2. Step 2: Convert to fraction form
    18,320.65/25,286.18 = 10,769.42/x
  3. Step 3: Cross multiply
    18,320.65x = 25,286.18 × 10,769.42
  4. Step 4: Simplify right side
    18,320.65x = 272,317,492.62
  5. Step 5: Solve for x
    x = 272,317,492.62/18,320.65
  6. Step 6: Final answer
    x = 14,863.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.