Home / 15,216.93-20,997.06-8,502.84

Finding the Fourth Proportional to 15,216.93, 20,997.06 and 8,502.84

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Solution

The fourth proportional to 15,216.93, 20,997.06 and 8,502.84 is: 11,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.93 : 20,997.06 = 8,502.84 : x
  2. Step 2: Convert to fraction form
    15,216.93/20,997.06 = 8,502.84/x
  3. Step 3: Cross multiply
    15,216.93x = 20,997.06 × 8,502.84
  4. Step 4: Simplify right side
    15,216.93x = 178,534,641.65
  5. Step 5: Solve for x
    x = 178,534,641.65/15,216.93
  6. Step 6: Final answer
    x = 11,732.63

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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.