Home / 14,226.87-19,628.01-8,255.28

Finding the Fourth Proportional to 14,226.87, 19,628.01 and 8,255.28

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Solution

The fourth proportional to 14,226.87, 19,628.01 and 8,255.28 is: 11,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.87 : 19,628.01 = 8,255.28 : x
  2. Step 2: Convert to fraction form
    14,226.87/19,628.01 = 8,255.28/x
  3. Step 3: Cross multiply
    14,226.87x = 19,628.01 × 8,255.28
  4. Step 4: Simplify right side
    14,226.87x = 162,034,718.39
  5. Step 5: Solve for x
    x = 162,034,718.39/14,226.87
  6. Step 6: Final answer
    x = 11,389.34

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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.