Home / 14,069.30-19,414.49-7,781.67

Finding the Fourth Proportional to 14,069.30, 19,414.49 and 7,781.67

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Solution

The fourth proportional to 14,069.30, 19,414.49 and 7,781.67 is: 10,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.30 : 19,414.49 = 7,781.67 : x
  2. Step 2: Convert to fraction form
    14,069.30/19,414.49 = 7,781.67/x
  3. Step 3: Cross multiply
    14,069.30x = 19,414.49 × 7,781.67
  4. Step 4: Simplify right side
    14,069.30x = 151,077,115.49
  5. Step 5: Solve for x
    x = 151,077,115.49/14,069.30
  6. Step 6: Final answer
    x = 10,738.07

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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.