Home / 15,651.43-23,478.01-3,964.75

Finding the Fourth Proportional to 15,651.43, 23,478.01 and 3,964.75

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Solution

The fourth proportional to 15,651.43, 23,478.01 and 3,964.75 is: 5,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.43 : 23,478.01 = 3,964.75 : x
  2. Step 2: Convert to fraction form
    15,651.43/23,478.01 = 3,964.75/x
  3. Step 3: Cross multiply
    15,651.43x = 23,478.01 × 3,964.75
  4. Step 4: Simplify right side
    15,651.43x = 93,084,420.32
  5. Step 5: Solve for x
    x = 93,084,420.32/15,651.43
  6. Step 6: Final answer
    x = 5,947.34

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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.