Home / 13,821.71-20,714.33-5,048.19

Finding the Fourth Proportional to 13,821.71, 20,714.33 and 5,048.19

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Solution

The fourth proportional to 13,821.71, 20,714.33 and 5,048.19 is: 7,565.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.71 : 20,714.33 = 5,048.19 : x
  2. Step 2: Convert to fraction form
    13,821.71/20,714.33 = 5,048.19/x
  3. Step 3: Cross multiply
    13,821.71x = 20,714.33 × 5,048.19
  4. Step 4: Simplify right side
    13,821.71x = 104,569,886.18
  5. Step 5: Solve for x
    x = 104,569,886.18/13,821.71
  6. Step 6: Final answer
    x = 7,565.63

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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.