Home / 11,328.32-15,632.73-6,292.69

Finding the Fourth Proportional to 11,328.32, 15,632.73 and 6,292.69

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Solution

The fourth proportional to 11,328.32, 15,632.73 and 6,292.69 is: 8,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.32 : 15,632.73 = 6,292.69 : x
  2. Step 2: Convert to fraction form
    11,328.32/15,632.73 = 6,292.69/x
  3. Step 3: Cross multiply
    11,328.32x = 15,632.73 × 6,292.69
  4. Step 4: Simplify right side
    11,328.32x = 98,371,884.66
  5. Step 5: Solve for x
    x = 98,371,884.66/11,328.32
  6. Step 6: Final answer
    x = 8,683.71

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Half scale
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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.