Home / 13,757.30-20,637.09-4,398.65

Finding the Fourth Proportional to 13,757.30, 20,637.09 and 4,398.65

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Solution

The fourth proportional to 13,757.30, 20,637.09 and 4,398.65 is: 6,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.30 : 20,637.09 = 4,398.65 : x
  2. Step 2: Convert to fraction form
    13,757.30/20,637.09 = 4,398.65/x
  3. Step 3: Cross multiply
    13,757.30x = 20,637.09 × 4,398.65
  4. Step 4: Simplify right side
    13,757.30x = 90,775,232.74
  5. Step 5: Solve for x
    x = 90,775,232.74/13,757.30
  6. Step 6: Final answer
    x = 6,598.33

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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.