Home / 13,851.08-20,779.50-6,057.80

Finding the Fourth Proportional to 13,851.08, 20,779.50 and 6,057.80

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Solution

The fourth proportional to 13,851.08, 20,779.50 and 6,057.80 is: 9,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.08 : 20,779.50 = 6,057.80 : x
  2. Step 2: Convert to fraction form
    13,851.08/20,779.50 = 6,057.80/x
  3. Step 3: Cross multiply
    13,851.08x = 20,779.50 × 6,057.80
  4. Step 4: Simplify right side
    13,851.08x = 125,878,055.10
  5. Step 5: Solve for x
    x = 125,878,055.10/13,851.08
  6. Step 6: Final answer
    x = 9,087.96

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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.