Home / 18,440.02-27,660.03-6,754.15

Finding the Fourth Proportional to 18,440.02, 27,660.03 and 6,754.15

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Solution

The fourth proportional to 18,440.02, 27,660.03 and 6,754.15 is: 10,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.02 : 27,660.03 = 6,754.15 : x
  2. Step 2: Convert to fraction form
    18,440.02/27,660.03 = 6,754.15/x
  3. Step 3: Cross multiply
    18,440.02x = 27,660.03 × 6,754.15
  4. Step 4: Simplify right side
    18,440.02x = 186,819,819.55
  5. Step 5: Solve for x
    x = 186,819,819.55/18,440.02
  6. Step 6: Final answer
    x = 10,131.22

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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.