Home / 12,844.50-17,727.30-7,542.24

Finding the Fourth Proportional to 12,844.50, 17,727.30 and 7,542.24

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Solution

The fourth proportional to 12,844.50, 17,727.30 and 7,542.24 is: 10,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.50 : 17,727.30 = 7,542.24 : x
  2. Step 2: Convert to fraction form
    12,844.50/17,727.30 = 7,542.24/x
  3. Step 3: Cross multiply
    12,844.50x = 17,727.30 × 7,542.24
  4. Step 4: Simplify right side
    12,844.50x = 133,703,551.15
  5. Step 5: Solve for x
    x = 133,703,551.15/12,844.50
  6. Step 6: Final answer
    x = 10,409.40

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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.