Home / 11,090.61-16,637.94-4,243.88

Finding the Fourth Proportional to 11,090.61, 16,637.94 and 4,243.88

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Solution

The fourth proportional to 11,090.61, 16,637.94 and 4,243.88 is: 6,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.61 : 16,637.94 = 4,243.88 : x
  2. Step 2: Convert to fraction form
    11,090.61/16,637.94 = 4,243.88/x
  3. Step 3: Cross multiply
    11,090.61x = 16,637.94 × 4,243.88
  4. Step 4: Simplify right side
    11,090.61x = 70,609,462.40
  5. Step 5: Solve for x
    x = 70,609,462.40/11,090.61
  6. Step 6: Final answer
    x = 6,366.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.