Home / 11,089.48-16,642.14-8,175.40

Finding the Fourth Proportional to 11,089.48, 16,642.14 and 8,175.40

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Solution

The fourth proportional to 11,089.48, 16,642.14 and 8,175.40 is: 12,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.48 : 16,642.14 = 8,175.40 : x
  2. Step 2: Convert to fraction form
    11,089.48/16,642.14 = 8,175.40/x
  3. Step 3: Cross multiply
    11,089.48x = 16,642.14 × 8,175.40
  4. Step 4: Simplify right side
    11,089.48x = 136,056,151.36
  5. Step 5: Solve for x
    x = 136,056,151.36/11,089.48
  6. Step 6: Final answer
    x = 12,268.94

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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.