Home / 15,577.11-21,496.12-8,503.58

Finding the Fourth Proportional to 15,577.11, 21,496.12 and 8,503.58

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Solution

The fourth proportional to 15,577.11, 21,496.12 and 8,503.58 is: 11,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.11 : 21,496.12 = 8,503.58 : x
  2. Step 2: Convert to fraction form
    15,577.11/21,496.12 = 8,503.58/x
  3. Step 3: Cross multiply
    15,577.11x = 21,496.12 × 8,503.58
  4. Step 4: Simplify right side
    15,577.11x = 182,794,008.59
  5. Step 5: Solve for x
    x = 182,794,008.59/15,577.11
  6. Step 6: Final answer
    x = 11,734.78

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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.