Home / 16,082.82-22,189.95-9,790.74

Finding the Fourth Proportional to 16,082.82, 22,189.95 and 9,790.74

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Solution

The fourth proportional to 16,082.82, 22,189.95 and 9,790.74 is: 13,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,082.82 : 22,189.95 = 9,790.74 : x
  2. Step 2: Convert to fraction form
    16,082.82/22,189.95 = 9,790.74/x
  3. Step 3: Cross multiply
    16,082.82x = 22,189.95 × 9,790.74
  4. Step 4: Simplify right side
    16,082.82x = 217,256,031.06
  5. Step 5: Solve for x
    x = 217,256,031.06/16,082.82
  6. Step 6: Final answer
    x = 13,508.58

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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.