Home / 18,143.45-27,214.56-7,052.63

Finding the Fourth Proportional to 18,143.45, 27,214.56 and 7,052.63

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Solution

The fourth proportional to 18,143.45, 27,214.56 and 7,052.63 is: 10,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.45 : 27,214.56 = 7,052.63 : x
  2. Step 2: Convert to fraction form
    18,143.45/27,214.56 = 7,052.63/x
  3. Step 3: Cross multiply
    18,143.45x = 27,214.56 × 7,052.63
  4. Step 4: Simplify right side
    18,143.45x = 191,934,222.29
  5. Step 5: Solve for x
    x = 191,934,222.29/18,143.45
  6. Step 6: Final answer
    x = 10,578.71

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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.