Home / 19,652.50-27,120.69-10,699.84

Finding the Fourth Proportional to 19,652.50, 27,120.69 and 10,699.84

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Solution

The fourth proportional to 19,652.50, 27,120.69 and 10,699.84 is: 14,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.50 : 27,120.69 = 10,699.84 : x
  2. Step 2: Convert to fraction form
    19,652.50/27,120.69 = 10,699.84/x
  3. Step 3: Cross multiply
    19,652.50x = 27,120.69 × 10,699.84
  4. Step 4: Simplify right side
    19,652.50x = 290,187,043.69
  5. Step 5: Solve for x
    x = 290,187,043.69/19,652.50
  6. Step 6: Final answer
    x = 14,765.91

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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.