Home / 10,187.88-14,067.59-8,299.77

Finding the Fourth Proportional to 10,187.88, 14,067.59 and 8,299.77

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Solution

The fourth proportional to 10,187.88, 14,067.59 and 8,299.77 is: 11,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.88 : 14,067.59 = 8,299.77 : x
  2. Step 2: Convert to fraction form
    10,187.88/14,067.59 = 8,299.77/x
  3. Step 3: Cross multiply
    10,187.88x = 14,067.59 × 8,299.77
  4. Step 4: Simplify right side
    10,187.88x = 116,757,719.96
  5. Step 5: Solve for x
    x = 116,757,719.96/10,187.88
  6. Step 6: Final answer
    x = 11,460.45

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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.