Home / 11,831.06-16,316.57-10,237.20

Finding the Fourth Proportional to 11,831.06, 16,316.57 and 10,237.20

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Solution

The fourth proportional to 11,831.06, 16,316.57 and 10,237.20 is: 14,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.06 : 16,316.57 = 10,237.20 : x
  2. Step 2: Convert to fraction form
    11,831.06/16,316.57 = 10,237.20/x
  3. Step 3: Cross multiply
    11,831.06x = 16,316.57 × 10,237.20
  4. Step 4: Simplify right side
    11,831.06x = 167,035,954.81
  5. Step 5: Solve for x
    x = 167,035,954.81/11,831.06
  6. Step 6: Final answer
    x = 14,118.42

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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.