Home / 18,995.31-26,207.78-11,035.98

Finding the Fourth Proportional to 18,995.31, 26,207.78 and 11,035.98

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Solution

The fourth proportional to 18,995.31, 26,207.78 and 11,035.98 is: 15,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.31 : 26,207.78 = 11,035.98 : x
  2. Step 2: Convert to fraction form
    18,995.31/26,207.78 = 11,035.98/x
  3. Step 3: Cross multiply
    18,995.31x = 26,207.78 × 11,035.98
  4. Step 4: Simplify right side
    18,995.31x = 289,228,480.74
  5. Step 5: Solve for x
    x = 289,228,480.74/18,995.31
  6. Step 6: Final answer
    x = 15,226.31

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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.