Home / 17,917.91-26,876.64-10,899.84

Finding the Fourth Proportional to 17,917.91, 26,876.64 and 10,899.84

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Solution

The fourth proportional to 17,917.91, 26,876.64 and 10,899.84 is: 16,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.91 : 26,876.64 = 10,899.84 : x
  2. Step 2: Convert to fraction form
    17,917.91/26,876.64 = 10,899.84/x
  3. Step 3: Cross multiply
    17,917.91x = 26,876.64 × 10,899.84
  4. Step 4: Simplify right side
    17,917.91x = 292,951,075.74
  5. Step 5: Solve for x
    x = 292,951,075.74/17,917.91
  6. Step 6: Final answer
    x = 16,349.62

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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.