Home / 19,831.06-27,368.62-10,880.30

Finding the Fourth Proportional to 19,831.06, 27,368.62 and 10,880.30

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Solution

The fourth proportional to 19,831.06, 27,368.62 and 10,880.30 is: 15,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.06 : 27,368.62 = 10,880.30 : x
  2. Step 2: Convert to fraction form
    19,831.06/27,368.62 = 10,880.30/x
  3. Step 3: Cross multiply
    19,831.06x = 27,368.62 × 10,880.30
  4. Step 4: Simplify right side
    19,831.06x = 297,778,796.19
  5. Step 5: Solve for x
    x = 297,778,796.19/19,831.06
  6. Step 6: Final answer
    x = 15,015.78

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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.