Home / 20,963.97-28,927.07-12,465.92

Finding the Fourth Proportional to 20,963.97, 28,927.07 and 12,465.92

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Solution

The fourth proportional to 20,963.97, 28,927.07 and 12,465.92 is: 17,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,963.97 : 28,927.07 = 12,465.92 : x
  2. Step 2: Convert to fraction form
    20,963.97/28,927.07 = 12,465.92/x
  3. Step 3: Cross multiply
    20,963.97x = 28,927.07 × 12,465.92
  4. Step 4: Simplify right side
    20,963.97x = 360,602,333.49
  5. Step 5: Solve for x
    x = 360,602,333.49/20,963.97
  6. Step 6: Final answer
    x = 17,201.05

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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.