Home / 10,976.10-15,140.83-6,941.68

Finding the Fourth Proportional to 10,976.10, 15,140.83 and 6,941.68

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Solution

The fourth proportional to 10,976.10, 15,140.83 and 6,941.68 is: 9,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.10 : 15,140.83 = 6,941.68 : x
  2. Step 2: Convert to fraction form
    10,976.10/15,140.83 = 6,941.68/x
  3. Step 3: Cross multiply
    10,976.10x = 15,140.83 × 6,941.68
  4. Step 4: Simplify right side
    10,976.10x = 105,102,796.79
  5. Step 5: Solve for x
    x = 105,102,796.79/10,976.10
  6. Step 6: Final answer
    x = 9,575.60

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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.