Home / 18,061.65-24,928.97-10,990.35

Finding the Fourth Proportional to 18,061.65, 24,928.97 and 10,990.35

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Solution

The fourth proportional to 18,061.65, 24,928.97 and 10,990.35 is: 15,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.65 : 24,928.97 = 10,990.35 : x
  2. Step 2: Convert to fraction form
    18,061.65/24,928.97 = 10,990.35/x
  3. Step 3: Cross multiply
    18,061.65x = 24,928.97 × 10,990.35
  4. Step 4: Simplify right side
    18,061.65x = 273,978,050.49
  5. Step 5: Solve for x
    x = 273,978,050.49/18,061.65
  6. Step 6: Final answer
    x = 15,169.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.