Home / 19,440.24-29,160.38-5,589.24

Finding the Fourth Proportional to 19,440.24, 29,160.38 and 5,589.24

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Solution

The fourth proportional to 19,440.24, 29,160.38 and 5,589.24 is: 8,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.24 : 29,160.38 = 5,589.24 : x
  2. Step 2: Convert to fraction form
    19,440.24/29,160.38 = 5,589.24/x
  3. Step 3: Cross multiply
    19,440.24x = 29,160.38 × 5,589.24
  4. Step 4: Simplify right side
    19,440.24x = 162,984,362.31
  5. Step 5: Solve for x
    x = 162,984,362.31/19,440.24
  6. Step 6: Final answer
    x = 8,383.87

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1.5x scale

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.