Home / 15,990.35-23,956.79-9,412.95

Finding the Fourth Proportional to 15,990.35, 23,956.79 and 9,412.95

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Solution

The fourth proportional to 15,990.35, 23,956.79 and 9,412.95 is: 14,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.35 : 23,956.79 = 9,412.95 : x
  2. Step 2: Convert to fraction form
    15,990.35/23,956.79 = 9,412.95/x
  3. Step 3: Cross multiply
    15,990.35x = 23,956.79 × 9,412.95
  4. Step 4: Simplify right side
    15,990.35x = 225,504,066.43
  5. Step 5: Solve for x
    x = 225,504,066.43/15,990.35
  6. Step 6: Final answer
    x = 14,102.51

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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.