Home / 9,423.78-13,004.79-5,232.12

Finding the Fourth Proportional to 9,423.78, 13,004.79 and 5,232.12

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Solution

The fourth proportional to 9,423.78, 13,004.79 and 5,232.12 is: 7,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.78 : 13,004.79 = 5,232.12 : x
  2. Step 2: Convert to fraction form
    9,423.78/13,004.79 = 5,232.12/x
  3. Step 3: Cross multiply
    9,423.78x = 13,004.79 × 5,232.12
  4. Step 4: Simplify right side
    9,423.78x = 68,042,621.85
  5. Step 5: Solve for x
    x = 68,042,621.85/9,423.78
  6. Step 6: Final answer
    x = 7,220.31

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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.