Home / 10,015.25-13,821.57-5,766.95

Finding the Fourth Proportional to 10,015.25, 13,821.57 and 5,766.95

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Solution

The fourth proportional to 10,015.25, 13,821.57 and 5,766.95 is: 7,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.25 : 13,821.57 = 5,766.95 : x
  2. Step 2: Convert to fraction form
    10,015.25/13,821.57 = 5,766.95/x
  3. Step 3: Cross multiply
    10,015.25x = 13,821.57 × 5,766.95
  4. Step 4: Simplify right side
    10,015.25x = 79,708,303.11
  5. Step 5: Solve for x
    x = 79,708,303.11/10,015.25
  6. Step 6: Final answer
    x = 7,958.69

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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.