Home / 16,101.99-22,226.79-9,389.72

Finding the Fourth Proportional to 16,101.99, 22,226.79 and 9,389.72

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Solution

The fourth proportional to 16,101.99, 22,226.79 and 9,389.72 is: 12,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.99 : 22,226.79 = 9,389.72 : x
  2. Step 2: Convert to fraction form
    16,101.99/22,226.79 = 9,389.72/x
  3. Step 3: Cross multiply
    16,101.99x = 22,226.79 × 9,389.72
  4. Step 4: Simplify right side
    16,101.99x = 208,703,223.46
  5. Step 5: Solve for x
    x = 208,703,223.46/16,101.99
  6. Step 6: Final answer
    x = 12,961.33

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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.