Home / 9,868.88-13,619.04-5,392.67

Finding the Fourth Proportional to 9,868.88, 13,619.04 and 5,392.67

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Solution

The fourth proportional to 9,868.88, 13,619.04 and 5,392.67 is: 7,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.88 : 13,619.04 = 5,392.67 : x
  2. Step 2: Convert to fraction form
    9,868.88/13,619.04 = 5,392.67/x
  3. Step 3: Cross multiply
    9,868.88x = 13,619.04 × 5,392.67
  4. Step 4: Simplify right side
    9,868.88x = 73,442,988.44
  5. Step 5: Solve for x
    x = 73,442,988.44/9,868.88
  6. Step 6: Final answer
    x = 7,441.88

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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.