Home / 14,110.20-19,470.78-7,821.36

Finding the Fourth Proportional to 14,110.20, 19,470.78 and 7,821.36

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Solution

The fourth proportional to 14,110.20, 19,470.78 and 7,821.36 is: 10,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.20 : 19,470.78 = 7,821.36 : x
  2. Step 2: Convert to fraction form
    14,110.20/19,470.78 = 7,821.36/x
  3. Step 3: Cross multiply
    14,110.20x = 19,470.78 × 7,821.36
  4. Step 4: Simplify right side
    14,110.20x = 152,287,979.86
  5. Step 5: Solve for x
    x = 152,287,979.86/14,110.20
  6. Step 6: Final answer
    x = 10,792.76

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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.