Home / 11,125.62-15,353.64-6,090.12

Finding the Fourth Proportional to 11,125.62, 15,353.64 and 6,090.12

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Solution

The fourth proportional to 11,125.62, 15,353.64 and 6,090.12 is: 8,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.62 : 15,353.64 = 6,090.12 : x
  2. Step 2: Convert to fraction form
    11,125.62/15,353.64 = 6,090.12/x
  3. Step 3: Cross multiply
    11,125.62x = 15,353.64 × 6,090.12
  4. Step 4: Simplify right side
    11,125.62x = 93,505,510.04
  5. Step 5: Solve for x
    x = 93,505,510.04/11,125.62
  6. Step 6: Final answer
    x = 8,404.52

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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.