Home / 15,990.48-23,998.55-7,226.15

Finding the Fourth Proportional to 15,990.48, 23,998.55 and 7,226.15

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Solution

The fourth proportional to 15,990.48, 23,998.55 and 7,226.15 is: 10,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.48 : 23,998.55 = 7,226.15 : x
  2. Step 2: Convert to fraction form
    15,990.48/23,998.55 = 7,226.15/x
  3. Step 3: Cross multiply
    15,990.48x = 23,998.55 × 7,226.15
  4. Step 4: Simplify right side
    15,990.48x = 173,416,965.96
  5. Step 5: Solve for x
    x = 173,416,965.96/15,990.48
  6. Step 6: Final answer
    x = 10,845.01

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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.