Home / 21,193.41-31,793.58-7,154.76

Finding the Fourth Proportional to 21,193.41, 31,793.58 and 7,154.76

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Solution

The fourth proportional to 21,193.41, 31,793.58 and 7,154.76 is: 10,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.41 : 31,793.58 = 7,154.76 : x
  2. Step 2: Convert to fraction form
    21,193.41/31,793.58 = 7,154.76/x
  3. Step 3: Cross multiply
    21,193.41x = 31,793.58 × 7,154.76
  4. Step 4: Simplify right side
    21,193.41x = 227,475,434.44
  5. Step 5: Solve for x
    x = 227,475,434.44/21,193.41
  6. Step 6: Final answer
    x = 10,733.31

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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.