Home / 18,381.47-27,550.33-10,573.88

Finding the Fourth Proportional to 18,381.47, 27,550.33 and 10,573.88

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Solution

The fourth proportional to 18,381.47, 27,550.33 and 10,573.88 is: 15,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.47 : 27,550.33 = 10,573.88 : x
  2. Step 2: Convert to fraction form
    18,381.47/27,550.33 = 10,573.88/x
  3. Step 3: Cross multiply
    18,381.47x = 27,550.33 × 10,573.88
  4. Step 4: Simplify right side
    18,381.47x = 291,313,719.19
  5. Step 5: Solve for x
    x = 291,313,719.19/18,381.47
  6. Step 6: Final answer
    x = 15,848.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.