Home / 10,162.87-15,230.45-6,215.50

Finding the Fourth Proportional to 10,162.87, 15,230.45 and 6,215.50

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Solution

The fourth proportional to 10,162.87, 15,230.45 and 6,215.50 is: 9,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.87 : 15,230.45 = 6,215.50 : x
  2. Step 2: Convert to fraction form
    10,162.87/15,230.45 = 6,215.50/x
  3. Step 3: Cross multiply
    10,162.87x = 15,230.45 × 6,215.50
  4. Step 4: Simplify right side
    10,162.87x = 94,664,861.98
  5. Step 5: Solve for x
    x = 94,664,861.98/10,162.87
  6. Step 6: Final answer
    x = 9,314.78

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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.