Home / 18,274.09-27,411.70-5,126.48

Finding the Fourth Proportional to 18,274.09, 27,411.70 and 5,126.48

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Solution

The fourth proportional to 18,274.09, 27,411.70 and 5,126.48 is: 7,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.09 : 27,411.70 = 5,126.48 : x
  2. Step 2: Convert to fraction form
    18,274.09/27,411.70 = 5,126.48/x
  3. Step 3: Cross multiply
    18,274.09x = 27,411.70 × 5,126.48
  4. Step 4: Simplify right side
    18,274.09x = 140,525,531.82
  5. Step 5: Solve for x
    x = 140,525,531.82/18,274.09
  6. Step 6: Final answer
    x = 7,689.88

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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.