Home / 13,507.73-20,256.12-5,188.02

Finding the Fourth Proportional to 13,507.73, 20,256.12 and 5,188.02

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Solution

The fourth proportional to 13,507.73, 20,256.12 and 5,188.02 is: 7,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.73 : 20,256.12 = 5,188.02 : x
  2. Step 2: Convert to fraction form
    13,507.73/20,256.12 = 5,188.02/x
  3. Step 3: Cross multiply
    13,507.73x = 20,256.12 × 5,188.02
  4. Step 4: Simplify right side
    13,507.73x = 105,089,155.68
  5. Step 5: Solve for x
    x = 105,089,155.68/13,507.73
  6. Step 6: Final answer
    x = 7,779.93

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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.