Home / 11,125.85-15,353.54-6,090.02

Finding the Fourth Proportional to 11,125.85, 15,353.54 and 6,090.02

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Solution

The fourth proportional to 11,125.85, 15,353.54 and 6,090.02 is: 8,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.85 : 15,353.54 = 6,090.02 : x
  2. Step 2: Convert to fraction form
    11,125.85/15,353.54 = 6,090.02/x
  3. Step 3: Cross multiply
    11,125.85x = 15,353.54 × 6,090.02
  4. Step 4: Simplify right side
    11,125.85x = 93,503,365.67
  5. Step 5: Solve for x
    x = 93,503,365.67/11,125.85
  6. Step 6: Final answer
    x = 8,404.15

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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.