Home / 22,038.70-30,412.94-11,966.90

Finding the Fourth Proportional to 22,038.70, 30,412.94 and 11,966.90

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Solution

The fourth proportional to 22,038.70, 30,412.94 and 11,966.90 is: 16,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.70 : 30,412.94 = 11,966.90 : x
  2. Step 2: Convert to fraction form
    22,038.70/30,412.94 = 11,966.90/x
  3. Step 3: Cross multiply
    22,038.70x = 30,412.94 × 11,966.90
  4. Step 4: Simplify right side
    22,038.70x = 363,948,611.69
  5. Step 5: Solve for x
    x = 363,948,611.69/22,038.70
  6. Step 6: Final answer
    x = 16,514.07

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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.