Home / 14,282.14-19,709.56-8,229.05

Finding the Fourth Proportional to 14,282.14, 19,709.56 and 8,229.05

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Solution

The fourth proportional to 14,282.14, 19,709.56 and 8,229.05 is: 11,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.14 : 19,709.56 = 8,229.05 : x
  2. Step 2: Convert to fraction form
    14,282.14/19,709.56 = 8,229.05/x
  3. Step 3: Cross multiply
    14,282.14x = 19,709.56 × 8,229.05
  4. Step 4: Simplify right side
    14,282.14x = 162,190,856.17
  5. Step 5: Solve for x
    x = 162,190,856.17/14,282.14
  6. Step 6: Final answer
    x = 11,356.20

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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.