Home / 14,974.36-20,664.72-8,259.88

Finding the Fourth Proportional to 14,974.36, 20,664.72 and 8,259.88

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Solution

The fourth proportional to 14,974.36, 20,664.72 and 8,259.88 is: 11,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.36 : 20,664.72 = 8,259.88 : x
  2. Step 2: Convert to fraction form
    14,974.36/20,664.72 = 8,259.88/x
  3. Step 3: Cross multiply
    14,974.36x = 20,664.72 × 8,259.88
  4. Step 4: Simplify right side
    14,974.36x = 170,688,107.43
  5. Step 5: Solve for x
    x = 170,688,107.43/14,974.36
  6. Step 6: Final answer
    x = 11,398.69

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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.