Home / 14,082.94-19,438.79-8,118.59

Finding the Fourth Proportional to 14,082.94, 19,438.79 and 8,118.59

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Solution

The fourth proportional to 14,082.94, 19,438.79 and 8,118.59 is: 11,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.94 : 19,438.79 = 8,118.59 : x
  2. Step 2: Convert to fraction form
    14,082.94/19,438.79 = 8,118.59/x
  3. Step 3: Cross multiply
    14,082.94x = 19,438.79 × 8,118.59
  4. Step 4: Simplify right side
    14,082.94x = 157,815,566.11
  5. Step 5: Solve for x
    x = 157,815,566.11/14,082.94
  6. Step 6: Final answer
    x = 11,206.15

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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.