Home / 15,164.18-20,926.77-8,791.23

Finding the Fourth Proportional to 15,164.18, 20,926.77 and 8,791.23

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Solution

The fourth proportional to 15,164.18, 20,926.77 and 8,791.23 is: 12,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164.18 : 20,926.77 = 8,791.23 : x
  2. Step 2: Convert to fraction form
    15,164.18/20,926.77 = 8,791.23/x
  3. Step 3: Cross multiply
    15,164.18x = 20,926.77 × 8,791.23
  4. Step 4: Simplify right side
    15,164.18x = 183,972,048.23
  5. Step 5: Solve for x
    x = 183,972,048.23/15,164.18
  6. Step 6: Final answer
    x = 12,132.01

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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.