Home / 22,257.45-33,347.70-11,711.79

Finding the Fourth Proportional to 22,257.45, 33,347.70 and 11,711.79

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Solution

The fourth proportional to 22,257.45, 33,347.70 and 11,711.79 is: 17,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,257.45 : 33,347.70 = 11,711.79 : x
  2. Step 2: Convert to fraction form
    22,257.45/33,347.70 = 11,711.79/x
  3. Step 3: Cross multiply
    22,257.45x = 33,347.70 × 11,711.79
  4. Step 4: Simplify right side
    22,257.45x = 390,561,259.38
  5. Step 5: Solve for x
    x = 390,561,259.38/22,257.45
  6. Step 6: Final answer
    x = 17,547.44

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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.