Home / 19,831.22-29,736.36-10,476.26

Finding the Fourth Proportional to 19,831.22, 29,736.36 and 10,476.26

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Solution

The fourth proportional to 19,831.22, 29,736.36 and 10,476.26 is: 15,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.22 : 29,736.36 = 10,476.26 : x
  2. Step 2: Convert to fraction form
    19,831.22/29,736.36 = 10,476.26/x
  3. Step 3: Cross multiply
    19,831.22x = 29,736.36 × 10,476.26
  4. Step 4: Simplify right side
    19,831.22x = 311,525,838.81
  5. Step 5: Solve for x
    x = 311,525,838.81/19,831.22
  6. Step 6: Final answer
    x = 15,708.86

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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.