Home / 9,015.84-13,517.28-3,818.88

Finding the Fourth Proportional to 9,015.84, 13,517.28 and 3,818.88

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Solution

The fourth proportional to 9,015.84, 13,517.28 and 3,818.88 is: 5,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.84 : 13,517.28 = 3,818.88 : x
  2. Step 2: Convert to fraction form
    9,015.84/13,517.28 = 3,818.88/x
  3. Step 3: Cross multiply
    9,015.84x = 13,517.28 × 3,818.88
  4. Step 4: Simplify right side
    9,015.84x = 51,620,870.25
  5. Step 5: Solve for x
    x = 51,620,870.25/9,015.84
  6. Step 6: Final answer
    x = 5,725.58

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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.