Home / 11,192.04-15,427.80-8,203.68

Finding the Fourth Proportional to 11,192.04, 15,427.80 and 8,203.68

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Solution

The fourth proportional to 11,192.04, 15,427.80 and 8,203.68 is: 11,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.04 : 15,427.80 = 8,203.68 : x
  2. Step 2: Convert to fraction form
    11,192.04/15,427.80 = 8,203.68/x
  3. Step 3: Cross multiply
    11,192.04x = 15,427.80 × 8,203.68
  4. Step 4: Simplify right side
    11,192.04x = 126,564,734.30
  5. Step 5: Solve for x
    x = 126,564,734.30/11,192.04
  6. Step 6: Final answer
    x = 11,308.46

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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.