Home / 13,452.84-20,179.35-4,687.74

Finding the Fourth Proportional to 13,452.84, 20,179.35 and 4,687.74

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Solution

The fourth proportional to 13,452.84, 20,179.35 and 4,687.74 is: 7,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.84 : 20,179.35 = 4,687.74 : x
  2. Step 2: Convert to fraction form
    13,452.84/20,179.35 = 4,687.74/x
  3. Step 3: Cross multiply
    13,452.84x = 20,179.35 × 4,687.74
  4. Step 4: Simplify right side
    13,452.84x = 94,595,445.27
  5. Step 5: Solve for x
    x = 94,595,445.27/13,452.84
  6. Step 6: Final answer
    x = 7,031.64

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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.