Home / 13,418.46-20,127.08-4,654.06

Finding the Fourth Proportional to 13,418.46, 20,127.08 and 4,654.06

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Solution

The fourth proportional to 13,418.46, 20,127.08 and 4,654.06 is: 6,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418.46 : 20,127.08 = 4,654.06 : x
  2. Step 2: Convert to fraction form
    13,418.46/20,127.08 = 4,654.06/x
  3. Step 3: Cross multiply
    13,418.46x = 20,127.08 × 4,654.06
  4. Step 4: Simplify right side
    13,418.46x = 93,672,599.26
  5. Step 5: Solve for x
    x = 93,672,599.26/13,418.46
  6. Step 6: Final answer
    x = 6,980.88

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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.