Home / 16,279.48-22,465.47-9,205.75

Finding the Fourth Proportional to 16,279.48, 22,465.47 and 9,205.75

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Solution

The fourth proportional to 16,279.48, 22,465.47 and 9,205.75 is: 12,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.48 : 22,465.47 = 9,205.75 : x
  2. Step 2: Convert to fraction form
    16,279.48/22,465.47 = 9,205.75/x
  3. Step 3: Cross multiply
    16,279.48x = 22,465.47 × 9,205.75
  4. Step 4: Simplify right side
    16,279.48x = 206,811,500.45
  5. Step 5: Solve for x
    x = 206,811,500.45/16,279.48
  6. Step 6: Final answer
    x = 12,703.81

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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.