Home / 13,757.79-20,637.84-4,399.14

Finding the Fourth Proportional to 13,757.79, 20,637.84 and 4,399.14

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Solution

The fourth proportional to 13,757.79, 20,637.84 and 4,399.14 is: 6,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.79 : 20,637.84 = 4,399.14 : x
  2. Step 2: Convert to fraction form
    13,757.79/20,637.84 = 4,399.14/x
  3. Step 3: Cross multiply
    13,757.79x = 20,637.84 × 4,399.14
  4. Step 4: Simplify right side
    13,757.79x = 90,788,799.05
  5. Step 5: Solve for x
    x = 90,788,799.05/13,757.79
  6. Step 6: Final answer
    x = 6,599.08

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1.5x scale

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.