Home / 10,077.67-15,119.84-5,396.64

Finding the Fourth Proportional to 10,077.67, 15,119.84 and 5,396.64

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Solution

The fourth proportional to 10,077.67, 15,119.84 and 5,396.64 is: 8,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.67 : 15,119.84 = 5,396.64 : x
  2. Step 2: Convert to fraction form
    10,077.67/15,119.84 = 5,396.64/x
  3. Step 3: Cross multiply
    10,077.67x = 15,119.84 × 5,396.64
  4. Step 4: Simplify right side
    10,077.67x = 81,596,333.34
  5. Step 5: Solve for x
    x = 81,596,333.34/10,077.67
  6. Step 6: Final answer
    x = 8,096.75

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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.