Home / 10,154.08-15,232.20-2,758.65

Finding the Fourth Proportional to 10,154.08, 15,232.20 and 2,758.65

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Solution

The fourth proportional to 10,154.08, 15,232.20 and 2,758.65 is: 4,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.08 : 15,232.20 = 2,758.65 : x
  2. Step 2: Convert to fraction form
    10,154.08/15,232.20 = 2,758.65/x
  3. Step 3: Cross multiply
    10,154.08x = 15,232.20 × 2,758.65
  4. Step 4: Simplify right side
    10,154.08x = 42,020,308.53
  5. Step 5: Solve for x
    x = 42,020,308.53/10,154.08
  6. Step 6: Final answer
    x = 4,138.27

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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.