Home / 11,277.55-15,562.90-6,241.78

Finding the Fourth Proportional to 11,277.55, 15,562.90 and 6,241.78

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Solution

The fourth proportional to 11,277.55, 15,562.90 and 6,241.78 is: 8,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.55 : 15,562.90 = 6,241.78 : x
  2. Step 2: Convert to fraction form
    11,277.55/15,562.90 = 6,241.78/x
  3. Step 3: Cross multiply
    11,277.55x = 15,562.90 × 6,241.78
  4. Step 4: Simplify right side
    11,277.55x = 97,140,088.94
  5. Step 5: Solve for x
    x = 97,140,088.94/11,277.55
  6. Step 6: Final answer
    x = 8,613.58

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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.