Home / 13,902.60-20,860.42-6,498.02

Finding the Fourth Proportional to 13,902.60, 20,860.42 and 6,498.02

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Solution

The fourth proportional to 13,902.60, 20,860.42 and 6,498.02 is: 9,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.60 : 20,860.42 = 6,498.02 : x
  2. Step 2: Convert to fraction form
    13,902.60/20,860.42 = 6,498.02/x
  3. Step 3: Cross multiply
    13,902.60x = 20,860.42 × 6,498.02
  4. Step 4: Simplify right side
    13,902.60x = 135,551,426.37
  5. Step 5: Solve for x
    x = 135,551,426.37/13,902.60
  6. Step 6: Final answer
    x = 9,750.08

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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.