Home / 11,345.94-15,652.32-6,628.14

Finding the Fourth Proportional to 11,345.94, 15,652.32 and 6,628.14

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Solution

The fourth proportional to 11,345.94, 15,652.32 and 6,628.14 is: 9,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.94 : 15,652.32 = 6,628.14 : x
  2. Step 2: Convert to fraction form
    11,345.94/15,652.32 = 6,628.14/x
  3. Step 3: Cross multiply
    11,345.94x = 15,652.32 × 6,628.14
  4. Step 4: Simplify right side
    11,345.94x = 103,745,768.28
  5. Step 5: Solve for x
    x = 103,745,768.28/11,345.94
  6. Step 6: Final answer
    x = 9,143.87

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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.