Home / 11,086.20-16,637.40-7,387.20

Finding the Fourth Proportional to 11,086.20, 16,637.40 and 7,387.20

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Solution

The fourth proportional to 11,086.20, 16,637.40 and 7,387.20 is: 11,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.20 : 16,637.40 = 7,387.20 : x
  2. Step 2: Convert to fraction form
    11,086.20/16,637.40 = 7,387.20/x
  3. Step 3: Cross multiply
    11,086.20x = 16,637.40 × 7,387.20
  4. Step 4: Simplify right side
    11,086.20x = 122,903,801.28
  5. Step 5: Solve for x
    x = 122,903,801.28/11,086.20
  6. Step 6: Final answer
    x = 11,086.20

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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.