Home / 19,211.82-28,774.17-10,311.63

Finding the Fourth Proportional to 19,211.82, 28,774.17 and 10,311.63

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Solution

The fourth proportional to 19,211.82, 28,774.17 and 10,311.63 is: 15,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.82 : 28,774.17 = 10,311.63 : x
  2. Step 2: Convert to fraction form
    19,211.82/28,774.17 = 10,311.63/x
  3. Step 3: Cross multiply
    19,211.82x = 28,774.17 × 10,311.63
  4. Step 4: Simplify right side
    19,211.82x = 296,708,594.60
  5. Step 5: Solve for x
    x = 296,708,594.60/19,211.82
  6. Step 6: Final answer
    x = 15,444.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.