Home / 11,090.80-15,305.42-6,375.52

Finding the Fourth Proportional to 11,090.80, 15,305.42 and 6,375.52

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Solution

The fourth proportional to 11,090.80, 15,305.42 and 6,375.52 is: 8,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.80 : 15,305.42 = 6,375.52 : x
  2. Step 2: Convert to fraction form
    11,090.80/15,305.42 = 6,375.52/x
  3. Step 3: Cross multiply
    11,090.80x = 15,305.42 × 6,375.52
  4. Step 4: Simplify right side
    11,090.80x = 97,580,011.32
  5. Step 5: Solve for x
    x = 97,580,011.32/11,090.80
  6. Step 6: Final answer
    x = 8,798.28

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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.