Home / 9,153.38-13,725.16-2,911.70

Finding the Fourth Proportional to 9,153.38, 13,725.16 and 2,911.70

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Solution

The fourth proportional to 9,153.38, 13,725.16 and 2,911.70 is: 4,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.38 : 13,725.16 = 2,911.70 : x
  2. Step 2: Convert to fraction form
    9,153.38/13,725.16 = 2,911.70/x
  3. Step 3: Cross multiply
    9,153.38x = 13,725.16 × 2,911.70
  4. Step 4: Simplify right side
    9,153.38x = 39,963,548.37
  5. Step 5: Solve for x
    x = 39,963,548.37/9,153.38
  6. Step 6: Final answer
    x = 4,365.99

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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.