Home / 15,199.65-20,975.67-8,826.66

Finding the Fourth Proportional to 15,199.65, 20,975.67 and 8,826.66

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Solution

The fourth proportional to 15,199.65, 20,975.67 and 8,826.66 is: 12,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199.65 : 20,975.67 = 8,826.66 : x
  2. Step 2: Convert to fraction form
    15,199.65/20,975.67 = 8,826.66/x
  3. Step 3: Cross multiply
    15,199.65x = 20,975.67 × 8,826.66
  4. Step 4: Simplify right side
    15,199.65x = 185,145,107.36
  5. Step 5: Solve for x
    x = 185,145,107.36/15,199.65
  6. Step 6: Final answer
    x = 12,180.88

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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.