Home / 13,779.33-20,656.46-5,008.05

Finding the Fourth Proportional to 13,779.33, 20,656.46 and 5,008.05

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Solution

The fourth proportional to 13,779.33, 20,656.46 and 5,008.05 is: 7,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.33 : 20,656.46 = 5,008.05 : x
  2. Step 2: Convert to fraction form
    13,779.33/20,656.46 = 5,008.05/x
  3. Step 3: Cross multiply
    13,779.33x = 20,656.46 × 5,008.05
  4. Step 4: Simplify right side
    13,779.33x = 103,448,559.46
  5. Step 5: Solve for x
    x = 103,448,559.46/13,779.33
  6. Step 6: Final answer
    x = 7,507.52

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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.