Home / 16,621.11-22,945.59-12,835.77

Finding the Fourth Proportional to 16,621.11, 22,945.59 and 12,835.77

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Solution

The fourth proportional to 16,621.11, 22,945.59 and 12,835.77 is: 17,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.11 : 22,945.59 = 12,835.77 : x
  2. Step 2: Convert to fraction form
    16,621.11/22,945.59 = 12,835.77/x
  3. Step 3: Cross multiply
    16,621.11x = 22,945.59 × 12,835.77
  4. Step 4: Simplify right side
    16,621.11x = 294,524,315.75
  5. Step 5: Solve for x
    x = 294,524,315.75/16,621.11
  6. Step 6: Final answer
    x = 17,719.89

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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.