Home / 10,267.32-15,394.84-4,991.95

Finding the Fourth Proportional to 10,267.32, 15,394.84 and 4,991.95

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Solution

The fourth proportional to 10,267.32, 15,394.84 and 4,991.95 is: 7,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.32 : 15,394.84 = 4,991.95 : x
  2. Step 2: Convert to fraction form
    10,267.32/15,394.84 = 4,991.95/x
  3. Step 3: Cross multiply
    10,267.32x = 15,394.84 × 4,991.95
  4. Step 4: Simplify right side
    10,267.32x = 76,850,220.57
  5. Step 5: Solve for x
    x = 76,850,220.57/10,267.32
  6. Step 6: Final answer
    x = 7,484.93

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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.