Home / 13,493.64-20,228.12-4,723.76

Finding the Fourth Proportional to 13,493.64, 20,228.12 and 4,723.76

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Solution

The fourth proportional to 13,493.64, 20,228.12 and 4,723.76 is: 7,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.64 : 20,228.12 = 4,723.76 : x
  2. Step 2: Convert to fraction form
    13,493.64/20,228.12 = 4,723.76/x
  3. Step 3: Cross multiply
    13,493.64x = 20,228.12 × 4,723.76
  4. Step 4: Simplify right side
    13,493.64x = 95,552,784.13
  5. Step 5: Solve for x
    x = 95,552,784.13/13,493.64
  6. Step 6: Final answer
    x = 7,081.32

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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.