Home / 16,262.57-22,442.85-9,189.45

Finding the Fourth Proportional to 16,262.57, 22,442.85 and 9,189.45

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Solution

The fourth proportional to 16,262.57, 22,442.85 and 9,189.45 is: 12,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,262.57 : 22,442.85 = 9,189.45 : x
  2. Step 2: Convert to fraction form
    16,262.57/22,442.85 = 9,189.45/x
  3. Step 3: Cross multiply
    16,262.57x = 22,442.85 × 9,189.45
  4. Step 4: Simplify right side
    16,262.57x = 206,237,447.93
  5. Step 5: Solve for x
    x = 206,237,447.93/16,262.57
  6. Step 6: Final answer
    x = 12,681.73

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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.