Home / 13,532.40-20,276.64-6,949.44

Finding the Fourth Proportional to 13,532.40, 20,276.64 and 6,949.44

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Solution

The fourth proportional to 13,532.40, 20,276.64 and 6,949.44 is: 10,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.40 : 20,276.64 = 6,949.44 : x
  2. Step 2: Convert to fraction form
    13,532.40/20,276.64 = 6,949.44/x
  3. Step 3: Cross multiply
    13,532.40x = 20,276.64 × 6,949.44
  4. Step 4: Simplify right side
    13,532.40x = 140,911,293.08
  5. Step 5: Solve for x
    x = 140,911,293.08/13,532.40
  6. Step 6: Final answer
    x = 10,412.88

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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.