Home / 20,894.67-28,833.71-11,463.03

Finding the Fourth Proportional to 20,894.67, 28,833.71 and 11,463.03

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Solution

The fourth proportional to 20,894.67, 28,833.71 and 11,463.03 is: 15,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.67 : 28,833.71 = 11,463.03 : x
  2. Step 2: Convert to fraction form
    20,894.67/28,833.71 = 11,463.03/x
  3. Step 3: Cross multiply
    20,894.67x = 28,833.71 × 11,463.03
  4. Step 4: Simplify right side
    20,894.67x = 330,521,625.43
  5. Step 5: Solve for x
    x = 330,521,625.43/20,894.67
  6. Step 6: Final answer
    x = 15,818.47

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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.