Home / 13,552.28-20,317.47-5,660.84

Finding the Fourth Proportional to 13,552.28, 20,317.47 and 5,660.84

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Solution

The fourth proportional to 13,552.28, 20,317.47 and 5,660.84 is: 8,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.28 : 20,317.47 = 5,660.84 : x
  2. Step 2: Convert to fraction form
    13,552.28/20,317.47 = 5,660.84/x
  3. Step 3: Cross multiply
    13,552.28x = 20,317.47 × 5,660.84
  4. Step 4: Simplify right side
    13,552.28x = 115,014,025.15
  5. Step 5: Solve for x
    x = 115,014,025.15/13,552.28
  6. Step 6: Final answer
    x = 8,486.69

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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.