Home / 15,372.72-21,196.44-10,761.84

Finding the Fourth Proportional to 15,372.72, 21,196.44 and 10,761.84

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Solution

The fourth proportional to 15,372.72, 21,196.44 and 10,761.84 is: 14,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.72 : 21,196.44 = 10,761.84 : x
  2. Step 2: Convert to fraction form
    15,372.72/21,196.44 = 10,761.84/x
  3. Step 3: Cross multiply
    15,372.72x = 21,196.44 × 10,761.84
  4. Step 4: Simplify right side
    15,372.72x = 228,112,695.85
  5. Step 5: Solve for x
    x = 228,112,695.85/15,372.72
  6. Step 6: Final answer
    x = 14,838.80

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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.