Home / 10,831.68-14,949.72-6,850.08

Finding the Fourth Proportional to 10,831.68, 14,949.72 and 6,850.08

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Solution

The fourth proportional to 10,831.68, 14,949.72 and 6,850.08 is: 9,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.68 : 14,949.72 = 6,850.08 : x
  2. Step 2: Convert to fraction form
    10,831.68/14,949.72 = 6,850.08/x
  3. Step 3: Cross multiply
    10,831.68x = 14,949.72 × 6,850.08
  4. Step 4: Simplify right side
    10,831.68x = 102,406,777.98
  5. Step 5: Solve for x
    x = 102,406,777.98/10,831.68
  6. Step 6: Final answer
    x = 9,454.38

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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.