Home / 15,066.48-20,791.89-8,352.21

Finding the Fourth Proportional to 15,066.48, 20,791.89 and 8,352.21

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Solution

The fourth proportional to 15,066.48, 20,791.89 and 8,352.21 is: 11,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.48 : 20,791.89 = 8,352.21 : x
  2. Step 2: Convert to fraction form
    15,066.48/20,791.89 = 8,352.21/x
  3. Step 3: Cross multiply
    15,066.48x = 20,791.89 × 8,352.21
  4. Step 4: Simplify right side
    15,066.48x = 173,658,231.58
  5. Step 5: Solve for x
    x = 173,658,231.58/15,066.48
  6. Step 6: Final answer
    x = 11,526.13

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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.