Home / 11,992.02-16,569.30-8,628.18

Finding the Fourth Proportional to 11,992.02, 16,569.30 and 8,628.18

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Solution

The fourth proportional to 11,992.02, 16,569.30 and 8,628.18 is: 11,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.02 : 16,569.30 = 8,628.18 : x
  2. Step 2: Convert to fraction form
    11,992.02/16,569.30 = 8,628.18/x
  3. Step 3: Cross multiply
    11,992.02x = 16,569.30 × 8,628.18
  4. Step 4: Simplify right side
    11,992.02x = 142,962,902.87
  5. Step 5: Solve for x
    x = 142,962,902.87/11,992.02
  6. Step 6: Final answer
    x = 11,921.50

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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.