Home / 10,318.54-15,477.78-3,744.70

Finding the Fourth Proportional to 10,318.54, 15,477.78 and 3,744.70

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Solution

The fourth proportional to 10,318.54, 15,477.78 and 3,744.70 is: 5,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.54 : 15,477.78 = 3,744.70 : x
  2. Step 2: Convert to fraction form
    10,318.54/15,477.78 = 3,744.70/x
  3. Step 3: Cross multiply
    10,318.54x = 15,477.78 × 3,744.70
  4. Step 4: Simplify right side
    10,318.54x = 57,959,642.77
  5. Step 5: Solve for x
    x = 57,959,642.77/10,318.54
  6. Step 6: Final answer
    x = 5,617.04

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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.