Home / 10,949.40-15,111.30-6,703.27

Finding the Fourth Proportional to 10,949.40, 15,111.30 and 6,703.27

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Solution

The fourth proportional to 10,949.40, 15,111.30 and 6,703.27 is: 9,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.40 : 15,111.30 = 6,703.27 : x
  2. Step 2: Convert to fraction form
    10,949.40/15,111.30 = 6,703.27/x
  3. Step 3: Cross multiply
    10,949.40x = 15,111.30 × 6,703.27
  4. Step 4: Simplify right side
    10,949.40x = 101,295,085.43
  5. Step 5: Solve for x
    x = 101,295,085.43/10,949.40
  6. Step 6: Final answer
    x = 9,251.20

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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.