Home / 19,128.38-26,399.64-10,744.88

Finding the Fourth Proportional to 19,128.38, 26,399.64 and 10,744.88

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Solution

The fourth proportional to 19,128.38, 26,399.64 and 10,744.88 is: 14,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.38 : 26,399.64 = 10,744.88 : x
  2. Step 2: Convert to fraction form
    19,128.38/26,399.64 = 10,744.88/x
  3. Step 3: Cross multiply
    19,128.38x = 26,399.64 × 10,744.88
  4. Step 4: Simplify right side
    19,128.38x = 283,660,831.85
  5. Step 5: Solve for x
    x = 283,660,831.85/19,128.38
  6. Step 6: Final answer
    x = 14,829.32

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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.