Home / 9,439.20-14,164.56-3,895.20

Finding the Fourth Proportional to 9,439.20, 14,164.56 and 3,895.20

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Solution

The fourth proportional to 9,439.20, 14,164.56 and 3,895.20 is: 5,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.20 : 14,164.56 = 3,895.20 : x
  2. Step 2: Convert to fraction form
    9,439.20/14,164.56 = 3,895.20/x
  3. Step 3: Cross multiply
    9,439.20x = 14,164.56 × 3,895.20
  4. Step 4: Simplify right side
    9,439.20x = 55,173,794.11
  5. Step 5: Solve for x
    x = 55,173,794.11/9,439.20
  6. Step 6: Final answer
    x = 5,845.18

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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.