Home / 10,945.50-15,099.36-6,910.56

Finding the Fourth Proportional to 10,945.50, 15,099.36 and 6,910.56

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Solution

The fourth proportional to 10,945.50, 15,099.36 and 6,910.56 is: 9,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.50 : 15,099.36 = 6,910.56 : x
  2. Step 2: Convert to fraction form
    10,945.50/15,099.36 = 6,910.56/x
  3. Step 3: Cross multiply
    10,945.50x = 15,099.36 × 6,910.56
  4. Step 4: Simplify right side
    10,945.50x = 104,345,033.24
  5. Step 5: Solve for x
    x = 104,345,033.24/10,945.50
  6. Step 6: Final answer
    x = 9,533.14

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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.