Home / 14,202.06-21,305.52-8,355.48

Finding the Fourth Proportional to 14,202.06, 21,305.52 and 8,355.48

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Solution

The fourth proportional to 14,202.06, 21,305.52 and 8,355.48 is: 12,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.06 : 21,305.52 = 8,355.48 : x
  2. Step 2: Convert to fraction form
    14,202.06/21,305.52 = 8,355.48/x
  3. Step 3: Cross multiply
    14,202.06x = 21,305.52 × 8,355.48
  4. Step 4: Simplify right side
    14,202.06x = 178,017,846.25
  5. Step 5: Solve for x
    x = 178,017,846.25/14,202.06
  6. Step 6: Final answer
    x = 12,534.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.