Home / 15,049.65-20,767.35-8,334.75

Finding the Fourth Proportional to 15,049.65, 20,767.35 and 8,334.75

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Solution

The fourth proportional to 15,049.65, 20,767.35 and 8,334.75 is: 11,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049.65 : 20,767.35 = 8,334.75 : x
  2. Step 2: Convert to fraction form
    15,049.65/20,767.35 = 8,334.75/x
  3. Step 3: Cross multiply
    15,049.65x = 20,767.35 × 8,334.75
  4. Step 4: Simplify right side
    15,049.65x = 173,090,670.41
  5. Step 5: Solve for x
    x = 173,090,670.41/15,049.65
  6. Step 6: Final answer
    x = 11,501.31

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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.