Home / 13,464.35-20,196.53-6,442.71

Finding the Fourth Proportional to 13,464.35, 20,196.53 and 6,442.71

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Solution

The fourth proportional to 13,464.35, 20,196.53 and 6,442.71 is: 9,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.35 : 20,196.53 = 6,442.71 : x
  2. Step 2: Convert to fraction form
    13,464.35/20,196.53 = 6,442.71/x
  3. Step 3: Cross multiply
    13,464.35x = 20,196.53 × 6,442.71
  4. Step 4: Simplify right side
    13,464.35x = 130,120,377.74
  5. Step 5: Solve for x
    x = 130,120,377.74/13,464.35
  6. Step 6: Final answer
    x = 9,664.07

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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.