Home / 22,289.68-30,758.34-12,216.34

Finding the Fourth Proportional to 22,289.68, 30,758.34 and 12,216.34

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Solution

The fourth proportional to 22,289.68, 30,758.34 and 12,216.34 is: 16,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.68 : 30,758.34 = 12,216.34 : x
  2. Step 2: Convert to fraction form
    22,289.68/30,758.34 = 12,216.34/x
  3. Step 3: Cross multiply
    22,289.68x = 30,758.34 × 12,216.34
  4. Step 4: Simplify right side
    22,289.68x = 375,754,339.28
  5. Step 5: Solve for x
    x = 375,754,339.28/22,289.68
  6. Step 6: Final answer
    x = 16,857.77

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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.