Home / 14,400.99-21,601.62-9,141.39

Finding the Fourth Proportional to 14,400.99, 21,601.62 and 9,141.39

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Solution

The fourth proportional to 14,400.99, 21,601.62 and 9,141.39 is: 13,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.99 : 21,601.62 = 9,141.39 : x
  2. Step 2: Convert to fraction form
    14,400.99/21,601.62 = 9,141.39/x
  3. Step 3: Cross multiply
    14,400.99x = 21,601.62 × 9,141.39
  4. Step 4: Simplify right side
    14,400.99x = 197,468,833.05
  5. Step 5: Solve for x
    x = 197,468,833.05/14,400.99
  6. Step 6: Final answer
    x = 13,712.17

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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.