Home / 13,851.04-20,779.32-5,086.03

Finding the Fourth Proportional to 13,851.04, 20,779.32 and 5,086.03

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Solution

The fourth proportional to 13,851.04, 20,779.32 and 5,086.03 is: 7,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.04 : 20,779.32 = 5,086.03 : x
  2. Step 2: Convert to fraction form
    13,851.04/20,779.32 = 5,086.03/x
  3. Step 3: Cross multiply
    13,851.04x = 20,779.32 × 5,086.03
  4. Step 4: Simplify right side
    13,851.04x = 105,684,244.90
  5. Step 5: Solve for x
    x = 105,684,244.90/13,851.04
  6. Step 6: Final answer
    x = 7,630.06

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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.