Home / 10,323.44-15,472.80-4,769.20

Finding the Fourth Proportional to 10,323.44, 15,472.80 and 4,769.20

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Solution

The fourth proportional to 10,323.44, 15,472.80 and 4,769.20 is: 7,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.44 : 15,472.80 = 4,769.20 : x
  2. Step 2: Convert to fraction form
    10,323.44/15,472.80 = 4,769.20/x
  3. Step 3: Cross multiply
    10,323.44x = 15,472.80 × 4,769.20
  4. Step 4: Simplify right side
    10,323.44x = 73,792,877.76
  5. Step 5: Solve for x
    x = 73,792,877.76/10,323.44
  6. Step 6: Final answer
    x = 7,148.09

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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.