Home / 15,292.67-21,110.36-9,326.48

Finding the Fourth Proportional to 15,292.67, 21,110.36 and 9,326.48

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Solution

The fourth proportional to 15,292.67, 21,110.36 and 9,326.48 is: 12,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.67 : 21,110.36 = 9,326.48 : x
  2. Step 2: Convert to fraction form
    15,292.67/21,110.36 = 9,326.48/x
  3. Step 3: Cross multiply
    15,292.67x = 21,110.36 × 9,326.48
  4. Step 4: Simplify right side
    15,292.67x = 196,885,198.15
  5. Step 5: Solve for x
    x = 196,885,198.15/15,292.67
  6. Step 6: Final answer
    x = 12,874.49

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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.