Home / 12,550.48-18,831.93-8,876.32

Finding the Fourth Proportional to 12,550.48, 18,831.93 and 8,876.32

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Solution

The fourth proportional to 12,550.48, 18,831.93 and 8,876.32 is: 13,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.48 : 18,831.93 = 8,876.32 : x
  2. Step 2: Convert to fraction form
    12,550.48/18,831.93 = 8,876.32/x
  3. Step 3: Cross multiply
    12,550.48x = 18,831.93 × 8,876.32
  4. Step 4: Simplify right side
    12,550.48x = 167,158,236.90
  5. Step 5: Solve for x
    x = 167,158,236.90/12,550.48
  6. Step 6: Final answer
    x = 13,318.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.