Home / 14,219.28-19,626.12-8,634.96

Finding the Fourth Proportional to 14,219.28, 19,626.12 and 8,634.96

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Solution

The fourth proportional to 14,219.28, 19,626.12 and 8,634.96 is: 11,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.28 : 19,626.12 = 8,634.96 : x
  2. Step 2: Convert to fraction form
    14,219.28/19,626.12 = 8,634.96/x
  3. Step 3: Cross multiply
    14,219.28x = 19,626.12 × 8,634.96
  4. Step 4: Simplify right side
    14,219.28x = 169,470,761.16
  5. Step 5: Solve for x
    x = 169,470,761.16/14,219.28
  6. Step 6: Final answer
    x = 11,918.38

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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.