Home / 10,068.97-15,107.73-5,387.77

Finding the Fourth Proportional to 10,068.97, 15,107.73 and 5,387.77

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Solution

The fourth proportional to 10,068.97, 15,107.73 and 5,387.77 is: 8,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.97 : 15,107.73 = 5,387.77 : x
  2. Step 2: Convert to fraction form
    10,068.97/15,107.73 = 5,387.77/x
  3. Step 3: Cross multiply
    10,068.97x = 15,107.73 × 5,387.77
  4. Step 4: Simplify right side
    10,068.97x = 81,396,895.74
  5. Step 5: Solve for x
    x = 81,396,895.74/10,068.97
  6. Step 6: Final answer
    x = 8,083.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.