Home / 10,728.42-16,096.13-5,182.40

Finding the Fourth Proportional to 10,728.42, 16,096.13 and 5,182.40

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Solution

The fourth proportional to 10,728.42, 16,096.13 and 5,182.40 is: 7,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.42 : 16,096.13 = 5,182.40 : x
  2. Step 2: Convert to fraction form
    10,728.42/16,096.13 = 5,182.40/x
  3. Step 3: Cross multiply
    10,728.42x = 16,096.13 × 5,182.40
  4. Step 4: Simplify right side
    10,728.42x = 83,416,598.44
  5. Step 5: Solve for x
    x = 83,416,598.44/10,728.42
  6. Step 6: Final answer
    x = 7,775.29

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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.