Home / 10,324.65-15,487.56-2,928.53

Finding the Fourth Proportional to 10,324.65, 15,487.56 and 2,928.53

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Solution

The fourth proportional to 10,324.65, 15,487.56 and 2,928.53 is: 4,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.65 : 15,487.56 = 2,928.53 : x
  2. Step 2: Convert to fraction form
    10,324.65/15,487.56 = 2,928.53/x
  3. Step 3: Cross multiply
    10,324.65x = 15,487.56 × 2,928.53
  4. Step 4: Simplify right side
    10,324.65x = 45,355,746.67
  5. Step 5: Solve for x
    x = 45,355,746.67/10,324.65
  6. Step 6: Final answer
    x = 4,392.96

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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.