Home / 13,854.04-20,783.82-5,089.04

Finding the Fourth Proportional to 13,854.04, 20,783.82 and 5,089.04

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Solution

The fourth proportional to 13,854.04, 20,783.82 and 5,089.04 is: 7,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.04 : 20,783.82 = 5,089.04 : x
  2. Step 2: Convert to fraction form
    13,854.04/20,783.82 = 5,089.04/x
  3. Step 3: Cross multiply
    13,854.04x = 20,783.82 × 5,089.04
  4. Step 4: Simplify right side
    13,854.04x = 105,769,691.33
  5. Step 5: Solve for x
    x = 105,769,691.33/13,854.04
  6. Step 6: Final answer
    x = 7,634.57

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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.