Home / 15,943.48-23,899.92-7,621.28

Finding the Fourth Proportional to 15,943.48, 23,899.92 and 7,621.28

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Solution

The fourth proportional to 15,943.48, 23,899.92 and 7,621.28 is: 11,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.48 : 23,899.92 = 7,621.28 : x
  2. Step 2: Convert to fraction form
    15,943.48/23,899.92 = 7,621.28/x
  3. Step 3: Cross multiply
    15,943.48x = 23,899.92 × 7,621.28
  4. Step 4: Simplify right side
    15,943.48x = 182,147,982.30
  5. Step 5: Solve for x
    x = 182,147,982.30/15,943.48
  6. Step 6: Final answer
    x = 11,424.61

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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.