Home / 15,650.13-21,597.80-8,935.82

Finding the Fourth Proportional to 15,650.13, 21,597.80 and 8,935.82

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Solution

The fourth proportional to 15,650.13, 21,597.80 and 8,935.82 is: 12,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.13 : 21,597.80 = 8,935.82 : x
  2. Step 2: Convert to fraction form
    15,650.13/21,597.80 = 8,935.82/x
  3. Step 3: Cross multiply
    15,650.13x = 21,597.80 × 8,935.82
  4. Step 4: Simplify right side
    15,650.13x = 192,994,053.20
  5. Step 5: Solve for x
    x = 192,994,053.20/15,650.13
  6. Step 6: Final answer
    x = 12,331.79

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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.