Home / 11,991.02-16,547.22-7,517.21

Finding the Fourth Proportional to 11,991.02, 16,547.22 and 7,517.21

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Solution

The fourth proportional to 11,991.02, 16,547.22 and 7,517.21 is: 10,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.02 : 16,547.22 = 7,517.21 : x
  2. Step 2: Convert to fraction form
    11,991.02/16,547.22 = 7,517.21/x
  3. Step 3: Cross multiply
    11,991.02x = 16,547.22 × 7,517.21
  4. Step 4: Simplify right side
    11,991.02x = 124,388,844.92
  5. Step 5: Solve for x
    x = 124,388,844.92/11,991.02
  6. Step 6: Final answer
    x = 10,373.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.