Home / 10,324.93-15,487.99-2,928.81

Finding the Fourth Proportional to 10,324.93, 15,487.99 and 2,928.81

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Solution

The fourth proportional to 10,324.93, 15,487.99 and 2,928.81 is: 4,393.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.93 : 15,487.99 = 2,928.81 : x
  2. Step 2: Convert to fraction form
    10,324.93/15,487.99 = 2,928.81/x
  3. Step 3: Cross multiply
    10,324.93x = 15,487.99 × 2,928.81
  4. Step 4: Simplify right side
    10,324.93x = 45,361,367.18
  5. Step 5: Solve for x
    x = 45,361,367.18/10,324.93
  6. Step 6: Final answer
    x = 4,393.38

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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.