Home / 13,549.14-18,694.26-8,448.71

Finding the Fourth Proportional to 13,549.14, 18,694.26 and 8,448.71

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Solution

The fourth proportional to 13,549.14, 18,694.26 and 8,448.71 is: 11,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.14 : 18,694.26 = 8,448.71 : x
  2. Step 2: Convert to fraction form
    13,549.14/18,694.26 = 8,448.71/x
  3. Step 3: Cross multiply
    13,549.14x = 18,694.26 × 8,448.71
  4. Step 4: Simplify right side
    13,549.14x = 157,942,287.93
  5. Step 5: Solve for x
    x = 157,942,287.93/13,549.14
  6. Step 6: Final answer
    x = 11,657.00

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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.