Home / 11,990.02-17,988.54-6,150.70

Finding the Fourth Proportional to 11,990.02, 17,988.54 and 6,150.70

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Solution

The fourth proportional to 11,990.02, 17,988.54 and 6,150.70 is: 9,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.02 : 17,988.54 = 6,150.70 : x
  2. Step 2: Convert to fraction form
    11,990.02/17,988.54 = 6,150.70/x
  3. Step 3: Cross multiply
    11,990.02x = 17,988.54 × 6,150.70
  4. Step 4: Simplify right side
    11,990.02x = 110,642,112.98
  5. Step 5: Solve for x
    x = 110,642,112.98/11,990.02
  6. Step 6: Final answer
    x = 9,227.85

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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.