Home / 14,305.12-21,455.60-7,282.24

Finding the Fourth Proportional to 14,305.12, 21,455.60 and 7,282.24

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Solution

The fourth proportional to 14,305.12, 21,455.60 and 7,282.24 is: 10,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.12 : 21,455.60 = 7,282.24 : x
  2. Step 2: Convert to fraction form
    14,305.12/21,455.60 = 7,282.24/x
  3. Step 3: Cross multiply
    14,305.12x = 21,455.60 × 7,282.24
  4. Step 4: Simplify right side
    14,305.12x = 156,244,828.54
  5. Step 5: Solve for x
    x = 156,244,828.54/14,305.12
  6. Step 6: Final answer
    x = 10,922.30

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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.