Home / 19,219.66-26,519.08-11,669.96

Finding the Fourth Proportional to 19,219.66, 26,519.08 and 11,669.96

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Solution

The fourth proportional to 19,219.66, 26,519.08 and 11,669.96 is: 16,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.66 : 26,519.08 = 11,669.96 : x
  2. Step 2: Convert to fraction form
    19,219.66/26,519.08 = 11,669.96/x
  3. Step 3: Cross multiply
    19,219.66x = 26,519.08 × 11,669.96
  4. Step 4: Simplify right side
    19,219.66x = 309,476,602.84
  5. Step 5: Solve for x
    x = 309,476,602.84/19,219.66
  6. Step 6: Final answer
    x = 16,102.09

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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.