Home / 11,114.27-15,336.97-6,400.07

Finding the Fourth Proportional to 11,114.27, 15,336.97 and 6,400.07

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Solution

The fourth proportional to 11,114.27, 15,336.97 and 6,400.07 is: 8,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.27 : 15,336.97 = 6,400.07 : x
  2. Step 2: Convert to fraction form
    11,114.27/15,336.97 = 6,400.07/x
  3. Step 3: Cross multiply
    11,114.27x = 15,336.97 × 6,400.07
  4. Step 4: Simplify right side
    11,114.27x = 98,157,681.59
  5. Step 5: Solve for x
    x = 98,157,681.59/11,114.27
  6. Step 6: Final answer
    x = 8,831.68

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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.