Home / 15,939.74-22,006.68-10,276.50

Finding the Fourth Proportional to 15,939.74, 22,006.68 and 10,276.50

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Solution

The fourth proportional to 15,939.74, 22,006.68 and 10,276.50 is: 14,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.74 : 22,006.68 = 10,276.50 : x
  2. Step 2: Convert to fraction form
    15,939.74/22,006.68 = 10,276.50/x
  3. Step 3: Cross multiply
    15,939.74x = 22,006.68 × 10,276.50
  4. Step 4: Simplify right side
    15,939.74x = 226,151,647.02
  5. Step 5: Solve for x
    x = 226,151,647.02/15,939.74
  6. Step 6: Final answer
    x = 14,187.91

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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.