Home / 15,845.24-21,817.59-14,073.77

Finding the Fourth Proportional to 15,845.24, 21,817.59 and 14,073.77

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Solution

The fourth proportional to 15,845.24, 21,817.59 and 14,073.77 is: 19,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.24 : 21,817.59 = 14,073.77 : x
  2. Step 2: Convert to fraction form
    15,845.24/21,817.59 = 14,073.77/x
  3. Step 3: Cross multiply
    15,845.24x = 21,817.59 × 14,073.77
  4. Step 4: Simplify right side
    15,845.24x = 307,055,634.53
  5. Step 5: Solve for x
    x = 307,055,634.53/15,845.24
  6. Step 6: Final answer
    x = 19,378.42

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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.