Home / 19,086.72-26,338.34-11,020.70

Finding the Fourth Proportional to 19,086.72, 26,338.34 and 11,020.70

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Solution

The fourth proportional to 19,086.72, 26,338.34 and 11,020.70 is: 15,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.72 : 26,338.34 = 11,020.70 : x
  2. Step 2: Convert to fraction form
    19,086.72/26,338.34 = 11,020.70/x
  3. Step 3: Cross multiply
    19,086.72x = 26,338.34 × 11,020.70
  4. Step 4: Simplify right side
    19,086.72x = 290,266,943.64
  5. Step 5: Solve for x
    x = 290,266,943.64/19,086.72
  6. Step 6: Final answer
    x = 15,207.80

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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.