Home / 15,709.40-23,563.30-5,321.24

Finding the Fourth Proportional to 15,709.40, 23,563.30 and 5,321.24

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Solution

The fourth proportional to 15,709.40, 23,563.30 and 5,321.24 is: 7,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.40 : 23,563.30 = 5,321.24 : x
  2. Step 2: Convert to fraction form
    15,709.40/23,563.30 = 5,321.24/x
  3. Step 3: Cross multiply
    15,709.40x = 23,563.30 × 5,321.24
  4. Step 4: Simplify right side
    15,709.40x = 125,385,974.49
  5. Step 5: Solve for x
    x = 125,385,974.49/15,709.40
  6. Step 6: Final answer
    x = 7,981.59

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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.