Home / 10,226.80-15,324.96-5,289.84

Finding the Fourth Proportional to 10,226.80, 15,324.96 and 5,289.84

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Solution

The fourth proportional to 10,226.80, 15,324.96 and 5,289.84 is: 7,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.80 : 15,324.96 = 5,289.84 : x
  2. Step 2: Convert to fraction form
    10,226.80/15,324.96 = 5,289.84/x
  3. Step 3: Cross multiply
    10,226.80x = 15,324.96 × 5,289.84
  4. Step 4: Simplify right side
    10,226.80x = 81,066,586.41
  5. Step 5: Solve for x
    x = 81,066,586.41/10,226.80
  6. Step 6: Final answer
    x = 7,926.88

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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.