Home / 11,008.72-15,191.80-6,228.60

Finding the Fourth Proportional to 11,008.72, 15,191.80 and 6,228.60

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Solution

The fourth proportional to 11,008.72, 15,191.80 and 6,228.60 is: 8,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.72 : 15,191.80 = 6,228.60 : x
  2. Step 2: Convert to fraction form
    11,008.72/15,191.80 = 6,228.60/x
  3. Step 3: Cross multiply
    11,008.72x = 15,191.80 × 6,228.60
  4. Step 4: Simplify right side
    11,008.72x = 94,623,645.48
  5. Step 5: Solve for x
    x = 94,623,645.48/11,008.72
  6. Step 6: Final answer
    x = 8,595.34

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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.