Home / 12,839.92-19,269.92-6,599.68

Finding the Fourth Proportional to 12,839.92, 19,269.92 and 6,599.68

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Solution

The fourth proportional to 12,839.92, 19,269.92 and 6,599.68 is: 9,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.92 : 19,269.92 = 6,599.68 : x
  2. Step 2: Convert to fraction form
    12,839.92/19,269.92 = 6,599.68/x
  3. Step 3: Cross multiply
    12,839.92x = 19,269.92 × 6,599.68
  4. Step 4: Simplify right side
    12,839.92x = 127,175,176.28
  5. Step 5: Solve for x
    x = 127,175,176.28/12,839.92
  6. Step 6: Final answer
    x = 9,904.67

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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.