Home / 13,782.05-20,654.85-5,008.53

Finding the Fourth Proportional to 13,782.05, 20,654.85 and 5,008.53

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Solution

The fourth proportional to 13,782.05, 20,654.85 and 5,008.53 is: 7,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782.05 : 20,654.85 = 5,008.53 : x
  2. Step 2: Convert to fraction form
    13,782.05/20,654.85 = 5,008.53/x
  3. Step 3: Cross multiply
    13,782.05x = 20,654.85 × 5,008.53
  4. Step 4: Simplify right side
    13,782.05x = 103,450,503.94
  5. Step 5: Solve for x
    x = 103,450,503.94/13,782.05
  6. Step 6: Final answer
    x = 7,506.18

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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.