Home / 10,493.73-15,740.30-4,943.91

Finding the Fourth Proportional to 10,493.73, 15,740.30 and 4,943.91

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Solution

The fourth proportional to 10,493.73, 15,740.30 and 4,943.91 is: 7,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493.73 : 15,740.30 = 4,943.91 : x
  2. Step 2: Convert to fraction form
    10,493.73/15,740.30 = 4,943.91/x
  3. Step 3: Cross multiply
    10,493.73x = 15,740.30 × 4,943.91
  4. Step 4: Simplify right side
    10,493.73x = 77,818,601.85
  5. Step 5: Solve for x
    x = 77,818,601.85/10,493.73
  6. Step 6: Final answer
    x = 7,415.72

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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.