Home / 15,309.05-22,964.42-4,780.52

Finding the Fourth Proportional to 15,309.05, 22,964.42 and 4,780.52

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Solution

The fourth proportional to 15,309.05, 22,964.42 and 4,780.52 is: 7,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.05 : 22,964.42 = 4,780.52 : x
  2. Step 2: Convert to fraction form
    15,309.05/22,964.42 = 4,780.52/x
  3. Step 3: Cross multiply
    15,309.05x = 22,964.42 × 4,780.52
  4. Step 4: Simplify right side
    15,309.05x = 109,781,852.34
  5. Step 5: Solve for x
    x = 109,781,852.34/15,309.05
  6. Step 6: Final answer
    x = 7,171.05

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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.