Home / 9,872.19-13,623.62-5,395.94

Finding the Fourth Proportional to 9,872.19, 13,623.62 and 5,395.94

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Solution

The fourth proportional to 9,872.19, 13,623.62 and 5,395.94 is: 7,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.19 : 13,623.62 = 5,395.94 : x
  2. Step 2: Convert to fraction form
    9,872.19/13,623.62 = 5,395.94/x
  3. Step 3: Cross multiply
    9,872.19x = 13,623.62 × 5,395.94
  4. Step 4: Simplify right side
    9,872.19x = 73,512,245.59
  5. Step 5: Solve for x
    x = 73,512,245.59/9,872.19
  6. Step 6: Final answer
    x = 7,446.40

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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.