Home / 13,227.36-19,831.32-6,306.72

Finding the Fourth Proportional to 13,227.36, 19,831.32 and 6,306.72

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Solution

The fourth proportional to 13,227.36, 19,831.32 and 6,306.72 is: 9,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.36 : 19,831.32 = 6,306.72 : x
  2. Step 2: Convert to fraction form
    13,227.36/19,831.32 = 6,306.72/x
  3. Step 3: Cross multiply
    13,227.36x = 19,831.32 × 6,306.72
  4. Step 4: Simplify right side
    13,227.36x = 125,070,582.47
  5. Step 5: Solve for x
    x = 125,070,582.47/13,227.36
  6. Step 6: Final answer
    x = 9,455.45

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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.