Home / 15,642.91-23,467.43-6,877.80

Finding the Fourth Proportional to 15,642.91, 23,467.43 and 6,877.80

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Solution

The fourth proportional to 15,642.91, 23,467.43 and 6,877.80 is: 10,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.91 : 23,467.43 = 6,877.80 : x
  2. Step 2: Convert to fraction form
    15,642.91/23,467.43 = 6,877.80/x
  3. Step 3: Cross multiply
    15,642.91x = 23,467.43 × 6,877.80
  4. Step 4: Simplify right side
    15,642.91x = 161,404,290.05
  5. Step 5: Solve for x
    x = 161,404,290.05/15,642.91
  6. Step 6: Final answer
    x = 10,318.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.