Home / 10,993.32-15,172.11-6,277.50

Finding the Fourth Proportional to 10,993.32, 15,172.11 and 6,277.50

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Solution

The fourth proportional to 10,993.32, 15,172.11 and 6,277.50 is: 8,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.32 : 15,172.11 = 6,277.50 : x
  2. Step 2: Convert to fraction form
    10,993.32/15,172.11 = 6,277.50/x
  3. Step 3: Cross multiply
    10,993.32x = 15,172.11 × 6,277.50
  4. Step 4: Simplify right side
    10,993.32x = 95,242,920.53
  5. Step 5: Solve for x
    x = 95,242,920.53/10,993.32
  6. Step 6: Final answer
    x = 8,663.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.