Home / 16,831.13-23,228.34-9,278.16

Finding the Fourth Proportional to 16,831.13, 23,228.34 and 9,278.16

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Solution

The fourth proportional to 16,831.13, 23,228.34 and 9,278.16 is: 12,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.13 : 23,228.34 = 9,278.16 : x
  2. Step 2: Convert to fraction form
    16,831.13/23,228.34 = 9,278.16/x
  3. Step 3: Cross multiply
    16,831.13x = 23,228.34 × 9,278.16
  4. Step 4: Simplify right side
    16,831.13x = 215,516,255.05
  5. Step 5: Solve for x
    x = 215,516,255.05/16,831.13
  6. Step 6: Final answer
    x = 12,804.62

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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.