Home / 15,721.56-23,585.23-5,192.29

Finding the Fourth Proportional to 15,721.56, 23,585.23 and 5,192.29

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Solution

The fourth proportional to 15,721.56, 23,585.23 and 5,192.29 is: 7,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.56 : 23,585.23 = 5,192.29 : x
  2. Step 2: Convert to fraction form
    15,721.56/23,585.23 = 5,192.29/x
  3. Step 3: Cross multiply
    15,721.56x = 23,585.23 × 5,192.29
  4. Step 4: Simplify right side
    15,721.56x = 122,461,353.88
  5. Step 5: Solve for x
    x = 122,461,353.88/15,721.56
  6. Step 6: Final answer
    x = 7,789.39

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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.