Home / 13,714.78-20,569.80-4,948.42

Finding the Fourth Proportional to 13,714.78, 20,569.80 and 4,948.42

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Solution

The fourth proportional to 13,714.78, 20,569.80 and 4,948.42 is: 7,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.78 : 20,569.80 = 4,948.42 : x
  2. Step 2: Convert to fraction form
    13,714.78/20,569.80 = 4,948.42/x
  3. Step 3: Cross multiply
    13,714.78x = 20,569.80 × 4,948.42
  4. Step 4: Simplify right side
    13,714.78x = 101,788,009.72
  5. Step 5: Solve for x
    x = 101,788,009.72/13,714.78
  6. Step 6: Final answer
    x = 7,421.77

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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.