Home / 10,980.62-15,153.15-6,200.57

Finding the Fourth Proportional to 10,980.62, 15,153.15 and 6,200.57

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Solution

The fourth proportional to 10,980.62, 15,153.15 and 6,200.57 is: 8,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.62 : 15,153.15 = 6,200.57 : x
  2. Step 2: Convert to fraction form
    10,980.62/15,153.15 = 6,200.57/x
  3. Step 3: Cross multiply
    10,980.62x = 15,153.15 × 6,200.57
  4. Step 4: Simplify right side
    10,980.62x = 93,958,091.53
  5. Step 5: Solve for x
    x = 93,958,091.53/10,980.62
  6. Step 6: Final answer
    x = 8,556.72

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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.