Home / 19,311.56-28,964.92-6,162.84

Finding the Fourth Proportional to 19,311.56, 28,964.92 and 6,162.84

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Solution

The fourth proportional to 19,311.56, 28,964.92 and 6,162.84 is: 9,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.56 : 28,964.92 = 6,162.84 : x
  2. Step 2: Convert to fraction form
    19,311.56/28,964.92 = 6,162.84/x
  3. Step 3: Cross multiply
    19,311.56x = 28,964.92 × 6,162.84
  4. Step 4: Simplify right side
    19,311.56x = 178,506,167.57
  5. Step 5: Solve for x
    x = 178,506,167.57/19,311.56
  6. Step 6: Final answer
    x = 9,243.49

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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.