Home / 15,982.06-23,968.23-7,657.78

Finding the Fourth Proportional to 15,982.06, 23,968.23 and 7,657.78

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Solution

The fourth proportional to 15,982.06, 23,968.23 and 7,657.78 is: 11,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.06 : 23,968.23 = 7,657.78 : x
  2. Step 2: Convert to fraction form
    15,982.06/23,968.23 = 7,657.78/x
  3. Step 3: Cross multiply
    15,982.06x = 23,968.23 × 7,657.78
  4. Step 4: Simplify right side
    15,982.06x = 183,543,432.33
  5. Step 5: Solve for x
    x = 183,543,432.33/15,982.06
  6. Step 6: Final answer
    x = 11,484.34

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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.