Home / 13,354.24-20,025.07-7,809.28

Finding the Fourth Proportional to 13,354.24, 20,025.07 and 7,809.28

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Solution

The fourth proportional to 13,354.24, 20,025.07 and 7,809.28 is: 11,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.24 : 20,025.07 = 7,809.28 : x
  2. Step 2: Convert to fraction form
    13,354.24/20,025.07 = 7,809.28/x
  3. Step 3: Cross multiply
    13,354.24x = 20,025.07 × 7,809.28
  4. Step 4: Simplify right side
    13,354.24x = 156,381,378.65
  5. Step 5: Solve for x
    x = 156,381,378.65/13,354.24
  6. Step 6: Final answer
    x = 11,710.24

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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.