Home / 15,989.06-23,976.14-5,456.23

Finding the Fourth Proportional to 15,989.06, 23,976.14 and 5,456.23

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Solution

The fourth proportional to 15,989.06, 23,976.14 and 5,456.23 is: 8,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.06 : 23,976.14 = 5,456.23 : x
  2. Step 2: Convert to fraction form
    15,989.06/23,976.14 = 5,456.23/x
  3. Step 3: Cross multiply
    15,989.06x = 23,976.14 × 5,456.23
  4. Step 4: Simplify right side
    15,989.06x = 130,819,247.13
  5. Step 5: Solve for x
    x = 130,819,247.13/15,989.06
  6. Step 6: Final answer
    x = 8,181.80

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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.