Home / 10,243.44-14,134.68-6,465.15

Finding the Fourth Proportional to 10,243.44, 14,134.68 and 6,465.15

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Solution

The fourth proportional to 10,243.44, 14,134.68 and 6,465.15 is: 8,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.44 : 14,134.68 = 6,465.15 : x
  2. Step 2: Convert to fraction form
    10,243.44/14,134.68 = 6,465.15/x
  3. Step 3: Cross multiply
    10,243.44x = 14,134.68 × 6,465.15
  4. Step 4: Simplify right side
    10,243.44x = 91,382,826.40
  5. Step 5: Solve for x
    x = 91,382,826.40/10,243.44
  6. Step 6: Final answer
    x = 8,921.11

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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.