Home / 13,170.28-19,760.76-5,770.84

Finding the Fourth Proportional to 13,170.28, 19,760.76 and 5,770.84

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Solution

The fourth proportional to 13,170.28, 19,760.76 and 5,770.84 is: 8,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.28 : 19,760.76 = 5,770.84 : x
  2. Step 2: Convert to fraction form
    13,170.28/19,760.76 = 5,770.84/x
  3. Step 3: Cross multiply
    13,170.28x = 19,760.76 × 5,770.84
  4. Step 4: Simplify right side
    13,170.28x = 114,036,184.24
  5. Step 5: Solve for x
    x = 114,036,184.24/13,170.28
  6. Step 6: Final answer
    x = 8,658.60

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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.