Home / 11,673.20-16,106.52-11,273.12

Finding the Fourth Proportional to 11,673.20, 16,106.52 and 11,273.12

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Solution

The fourth proportional to 11,673.20, 16,106.52 and 11,273.12 is: 15,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.20 : 16,106.52 = 11,273.12 : x
  2. Step 2: Convert to fraction form
    11,673.20/16,106.52 = 11,273.12/x
  3. Step 3: Cross multiply
    11,673.20x = 16,106.52 × 11,273.12
  4. Step 4: Simplify right side
    11,673.20x = 181,570,732.74
  5. Step 5: Solve for x
    x = 181,570,732.74/11,673.20
  6. Step 6: Final answer
    x = 15,554.50

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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.