Home / 13,089.43-19,634.20-4,769.45

Finding the Fourth Proportional to 13,089.43, 19,634.20 and 4,769.45

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Solution

The fourth proportional to 13,089.43, 19,634.20 and 4,769.45 is: 7,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.43 : 19,634.20 = 4,769.45 : x
  2. Step 2: Convert to fraction form
    13,089.43/19,634.20 = 4,769.45/x
  3. Step 3: Cross multiply
    13,089.43x = 19,634.20 × 4,769.45
  4. Step 4: Simplify right side
    13,089.43x = 93,644,298.72
  5. Step 5: Solve for x
    x = 93,644,298.72/13,089.43
  6. Step 6: Final answer
    x = 7,154.19

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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.