Home / 19,470.28-26,859.62-12,753

Finding the Fourth Proportional to 19,470.28, 26,859.62 and 12,753

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Solution

The fourth proportional to 19,470.28, 26,859.62 and 12,753 is: 17,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.28 : 26,859.62 = 12,753 : x
  2. Step 2: Convert to fraction form
    19,470.28/26,859.62 = 12,753/x
  3. Step 3: Cross multiply
    19,470.28x = 26,859.62 × 12,753
  4. Step 4: Simplify right side
    19,470.28x = 342,540,733.86
  5. Step 5: Solve for x
    x = 342,540,733.86/19,470.28
  6. Step 6: Final answer
    x = 17,593.01

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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.