Home / 12,504.36-17,240.40-9,144.48

Finding the Fourth Proportional to 12,504.36, 17,240.40 and 9,144.48

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Solution

The fourth proportional to 12,504.36, 17,240.40 and 9,144.48 is: 12,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.36 : 17,240.40 = 9,144.48 : x
  2. Step 2: Convert to fraction form
    12,504.36/17,240.40 = 9,144.48/x
  3. Step 3: Cross multiply
    12,504.36x = 17,240.40 × 9,144.48
  4. Step 4: Simplify right side
    12,504.36x = 157,654,492.99
  5. Step 5: Solve for x
    x = 157,654,492.99/12,504.36
  6. Step 6: Final answer
    x = 12,607.96

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Half scale
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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.