Home / 10,945.14-15,104.10-6,229.32

Finding the Fourth Proportional to 10,945.14, 15,104.10 and 6,229.32

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Solution

The fourth proportional to 10,945.14, 15,104.10 and 6,229.32 is: 8,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.14 : 15,104.10 = 6,229.32 : x
  2. Step 2: Convert to fraction form
    10,945.14/15,104.10 = 6,229.32/x
  3. Step 3: Cross multiply
    10,945.14x = 15,104.10 × 6,229.32
  4. Step 4: Simplify right side
    10,945.14x = 94,088,272.21
  5. Step 5: Solve for x
    x = 94,088,272.21/10,945.14
  6. Step 6: Final answer
    x = 8,596.35

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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.