Home / 10,137.54-15,206.31-3,211.50

Finding the Fourth Proportional to 10,137.54, 15,206.31 and 3,211.50

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Solution

The fourth proportional to 10,137.54, 15,206.31 and 3,211.50 is: 4,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.54 : 15,206.31 = 3,211.50 : x
  2. Step 2: Convert to fraction form
    10,137.54/15,206.31 = 3,211.50/x
  3. Step 3: Cross multiply
    10,137.54x = 15,206.31 × 3,211.50
  4. Step 4: Simplify right side
    10,137.54x = 48,835,064.57
  5. Step 5: Solve for x
    x = 48,835,064.57/10,137.54
  6. Step 6: Final answer
    x = 4,817.25

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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.