Home / 11,622.02-16,009.08-9,377.61

Finding the Fourth Proportional to 11,622.02, 16,009.08 and 9,377.61

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Solution

The fourth proportional to 11,622.02, 16,009.08 and 9,377.61 is: 12,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.02 : 16,009.08 = 9,377.61 : x
  2. Step 2: Convert to fraction form
    11,622.02/16,009.08 = 9,377.61/x
  3. Step 3: Cross multiply
    11,622.02x = 16,009.08 × 9,377.61
  4. Step 4: Simplify right side
    11,622.02x = 150,126,908.70
  5. Step 5: Solve for x
    x = 150,126,908.70/11,622.02
  6. Step 6: Final answer
    x = 12,917.45

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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.