Home / 14,622.78-20,179.35-8,335.02

Finding the Fourth Proportional to 14,622.78, 20,179.35 and 8,335.02

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Solution

The fourth proportional to 14,622.78, 20,179.35 and 8,335.02 is: 11,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.78 : 20,179.35 = 8,335.02 : x
  2. Step 2: Convert to fraction form
    14,622.78/20,179.35 = 8,335.02/x
  3. Step 3: Cross multiply
    14,622.78x = 20,179.35 × 8,335.02
  4. Step 4: Simplify right side
    14,622.78x = 168,195,285.84
  5. Step 5: Solve for x
    x = 168,195,285.84/14,622.78
  6. Step 6: Final answer
    x = 11,502.28

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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.