Home / 15,937.67-21,995.67-8,864.75

Finding the Fourth Proportional to 15,937.67, 21,995.67 and 8,864.75

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Solution

The fourth proportional to 15,937.67, 21,995.67 and 8,864.75 is: 12,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.67 : 21,995.67 = 8,864.75 : x
  2. Step 2: Convert to fraction form
    15,937.67/21,995.67 = 8,864.75/x
  3. Step 3: Cross multiply
    15,937.67x = 21,995.67 × 8,864.75
  4. Step 4: Simplify right side
    15,937.67x = 194,986,005.65
  5. Step 5: Solve for x
    x = 194,986,005.65/15,937.67
  6. Step 6: Final answer
    x = 12,234.29

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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.