Home / 22,206.48-30,658.53-21,140.83

Finding the Fourth Proportional to 22,206.48, 30,658.53 and 21,140.83

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Solution

The fourth proportional to 22,206.48, 30,658.53 and 21,140.83 is: 29,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.48 : 30,658.53 = 21,140.83 : x
  2. Step 2: Convert to fraction form
    22,206.48/30,658.53 = 21,140.83/x
  3. Step 3: Cross multiply
    22,206.48x = 30,658.53 × 21,140.83
  4. Step 4: Simplify right side
    22,206.48x = 648,146,770.78
  5. Step 5: Solve for x
    x = 648,146,770.78/22,206.48
  6. Step 6: Final answer
    x = 29,187.28

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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.