Home / 9,868.45-13,618.26-5,392.18

Finding the Fourth Proportional to 9,868.45, 13,618.26 and 5,392.18

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Solution

The fourth proportional to 9,868.45, 13,618.26 and 5,392.18 is: 7,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.45 : 13,618.26 = 5,392.18 : x
  2. Step 2: Convert to fraction form
    9,868.45/13,618.26 = 5,392.18/x
  3. Step 3: Cross multiply
    9,868.45x = 13,618.26 × 5,392.18
  4. Step 4: Simplify right side
    9,868.45x = 73,432,109.21
  5. Step 5: Solve for x
    x = 73,432,109.21/9,868.45
  6. Step 6: Final answer
    x = 7,441.10

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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.