Home / 14,005.36-21,001.62-4,141.12

Finding the Fourth Proportional to 14,005.36, 21,001.62 and 4,141.12

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Solution

The fourth proportional to 14,005.36, 21,001.62 and 4,141.12 is: 6,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.36 : 21,001.62 = 4,141.12 : x
  2. Step 2: Convert to fraction form
    14,005.36/21,001.62 = 4,141.12/x
  3. Step 3: Cross multiply
    14,005.36x = 21,001.62 × 4,141.12
  4. Step 4: Simplify right side
    14,005.36x = 86,970,228.61
  5. Step 5: Solve for x
    x = 86,970,228.61/14,005.36
  6. Step 6: Final answer
    x = 6,209.78

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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.