Home / 15,633.19-21,583.86-13,951.71

Finding the Fourth Proportional to 15,633.19, 21,583.86 and 13,951.71

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Solution

The fourth proportional to 15,633.19, 21,583.86 and 13,951.71 is: 19,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.19 : 21,583.86 = 13,951.71 : x
  2. Step 2: Convert to fraction form
    15,633.19/21,583.86 = 13,951.71/x
  3. Step 3: Cross multiply
    15,633.19x = 21,583.86 × 13,951.71
  4. Step 4: Simplify right side
    15,633.19x = 301,131,755.40
  5. Step 5: Solve for x
    x = 301,131,755.40/15,633.19
  6. Step 6: Final answer
    x = 19,262.34

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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.