Home / 12,839.24-17,717.36-7,460.84

Finding the Fourth Proportional to 12,839.24, 17,717.36 and 7,460.84

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Solution

The fourth proportional to 12,839.24, 17,717.36 and 7,460.84 is: 10,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.24 : 17,717.36 = 7,460.84 : x
  2. Step 2: Convert to fraction form
    12,839.24/17,717.36 = 7,460.84/x
  3. Step 3: Cross multiply
    12,839.24x = 17,717.36 × 7,460.84
  4. Step 4: Simplify right side
    12,839.24x = 132,186,388.18
  5. Step 5: Solve for x
    x = 132,186,388.18/12,839.24
  6. Step 6: Final answer
    x = 10,295.50

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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.