Home / 22,011.40-33,008.59-12,658.33

Finding the Fourth Proportional to 22,011.40, 33,008.59 and 12,658.33

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Solution

The fourth proportional to 22,011.40, 33,008.59 and 12,658.33 is: 18,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.40 : 33,008.59 = 12,658.33 : x
  2. Step 2: Convert to fraction form
    22,011.40/33,008.59 = 12,658.33/x
  3. Step 3: Cross multiply
    22,011.40x = 33,008.59 × 12,658.33
  4. Step 4: Simplify right side
    22,011.40x = 417,833,625.05
  5. Step 5: Solve for x
    x = 417,833,625.05/22,011.40
  6. Step 6: Final answer
    x = 18,982.60

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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.