Home / 15,939.21-22,010.77-10,283.76

Finding the Fourth Proportional to 15,939.21, 22,010.77 and 10,283.76

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Solution

The fourth proportional to 15,939.21, 22,010.77 and 10,283.76 is: 14,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.21 : 22,010.77 = 10,283.76 : x
  2. Step 2: Convert to fraction form
    15,939.21/22,010.77 = 10,283.76/x
  3. Step 3: Cross multiply
    15,939.21x = 22,010.77 × 10,283.76
  4. Step 4: Simplify right side
    15,939.21x = 226,353,488.95
  5. Step 5: Solve for x
    x = 226,353,488.95/15,939.21
  6. Step 6: Final answer
    x = 14,201.04

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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.