Home / 19,113.18-28,668.74-5,964.04

Finding the Fourth Proportional to 19,113.18, 28,668.74 and 5,964.04

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Solution

The fourth proportional to 19,113.18, 28,668.74 and 5,964.04 is: 8,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.18 : 28,668.74 = 5,964.04 : x
  2. Step 2: Convert to fraction form
    19,113.18/28,668.74 = 5,964.04/x
  3. Step 3: Cross multiply
    19,113.18x = 28,668.74 × 5,964.04
  4. Step 4: Simplify right side
    19,113.18x = 170,981,512.11
  5. Step 5: Solve for x
    x = 170,981,512.11/19,113.18
  6. Step 6: Final answer
    x = 8,945.74

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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.