Home / 15,850.23-21,874.01-8,776.65

Finding the Fourth Proportional to 15,850.23, 21,874.01 and 8,776.65

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Solution

The fourth proportional to 15,850.23, 21,874.01 and 8,776.65 is: 12,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.23 : 21,874.01 = 8,776.65 : x
  2. Step 2: Convert to fraction form
    15,850.23/21,874.01 = 8,776.65/x
  3. Step 3: Cross multiply
    15,850.23x = 21,874.01 × 8,776.65
  4. Step 4: Simplify right side
    15,850.23x = 191,980,568.01
  5. Step 5: Solve for x
    x = 191,980,568.01/15,850.23
  6. Step 6: Final answer
    x = 12,112.17

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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.