Home / 13,374.87-18,452.76-7,709.43

Finding the Fourth Proportional to 13,374.87, 18,452.76 and 7,709.43

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Solution

The fourth proportional to 13,374.87, 18,452.76 and 7,709.43 is: 10,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.87 : 18,452.76 = 7,709.43 : x
  2. Step 2: Convert to fraction form
    13,374.87/18,452.76 = 7,709.43/x
  3. Step 3: Cross multiply
    13,374.87x = 18,452.76 × 7,709.43
  4. Step 4: Simplify right side
    13,374.87x = 142,260,261.53
  5. Step 5: Solve for x
    x = 142,260,261.53/13,374.87
  6. Step 6: Final answer
    x = 10,636.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.