Home / 9,868.55-13,618.87-5,392.27

Finding the Fourth Proportional to 9,868.55, 13,618.87 and 5,392.27

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Solution

The fourth proportional to 9,868.55, 13,618.87 and 5,392.27 is: 7,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.55 : 13,618.87 = 5,392.27 : x
  2. Step 2: Convert to fraction form
    9,868.55/13,618.87 = 5,392.27/x
  3. Step 3: Cross multiply
    9,868.55x = 13,618.87 × 5,392.27
  4. Step 4: Simplify right side
    9,868.55x = 73,436,624.13
  5. Step 5: Solve for x
    x = 73,436,624.13/9,868.55
  6. Step 6: Final answer
    x = 7,441.48

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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.