Home / 13,532.57-20,284.97-6,856.73

Finding the Fourth Proportional to 13,532.57, 20,284.97 and 6,856.73

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Solution

The fourth proportional to 13,532.57, 20,284.97 and 6,856.73 is: 10,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.57 : 20,284.97 = 6,856.73 : x
  2. Step 2: Convert to fraction form
    13,532.57/20,284.97 = 6,856.73/x
  3. Step 3: Cross multiply
    13,532.57x = 20,284.97 × 6,856.73
  4. Step 4: Simplify right side
    13,532.57x = 139,088,426.64
  5. Step 5: Solve for x
    x = 139,088,426.64/13,532.57
  6. Step 6: Final answer
    x = 10,278.05

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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.