Home / 12,831.24-19,256.63-10,338.52

Finding the Fourth Proportional to 12,831.24, 19,256.63 and 10,338.52

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Solution

The fourth proportional to 12,831.24, 19,256.63 and 10,338.52 is: 15,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.24 : 19,256.63 = 10,338.52 : x
  2. Step 2: Convert to fraction form
    12,831.24/19,256.63 = 10,338.52/x
  3. Step 3: Cross multiply
    12,831.24x = 19,256.63 × 10,338.52
  4. Step 4: Simplify right side
    12,831.24x = 199,084,906.41
  5. Step 5: Solve for x
    x = 199,084,906.41/12,831.24
  6. Step 6: Final answer
    x = 15,515.64

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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.