Home / 10,949.64-15,109.70-6,701.39

Finding the Fourth Proportional to 10,949.64, 15,109.70 and 6,701.39

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Solution

The fourth proportional to 10,949.64, 15,109.70 and 6,701.39 is: 9,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.64 : 15,109.70 = 6,701.39 : x
  2. Step 2: Convert to fraction form
    10,949.64/15,109.70 = 6,701.39/x
  3. Step 3: Cross multiply
    10,949.64x = 15,109.70 × 6,701.39
  4. Step 4: Simplify right side
    10,949.64x = 101,255,992.48
  5. Step 5: Solve for x
    x = 101,255,992.48/10,949.64
  6. Step 6: Final answer
    x = 9,247.43

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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.