Home / 11,118.30-16,637.90-9,576.60

Finding the Fourth Proportional to 11,118.30, 16,637.90 and 9,576.60

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Solution

The fourth proportional to 11,118.30, 16,637.90 and 9,576.60 is: 14,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.30 : 16,637.90 = 9,576.60 : x
  2. Step 2: Convert to fraction form
    11,118.30/16,637.90 = 9,576.60/x
  3. Step 3: Cross multiply
    11,118.30x = 16,637.90 × 9,576.60
  4. Step 4: Simplify right side
    11,118.30x = 159,334,465.26
  5. Step 5: Solve for x
    x = 159,334,465.26/11,118.30
  6. Step 6: Final answer
    x = 14,330.83

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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.