Home / 11,884.07-16,397.55-8,057.06

Finding the Fourth Proportional to 11,884.07, 16,397.55 and 8,057.06

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Solution

The fourth proportional to 11,884.07, 16,397.55 and 8,057.06 is: 11,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.07 : 16,397.55 = 8,057.06 : x
  2. Step 2: Convert to fraction form
    11,884.07/16,397.55 = 8,057.06/x
  3. Step 3: Cross multiply
    11,884.07x = 16,397.55 × 8,057.06
  4. Step 4: Simplify right side
    11,884.07x = 132,115,962.22
  5. Step 5: Solve for x
    x = 132,115,962.22/11,884.07
  6. Step 6: Final answer
    x = 11,117.07

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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.