Home / 13,558.76-20,332.66-4,196.58

Finding the Fourth Proportional to 13,558.76, 20,332.66 and 4,196.58

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Solution

The fourth proportional to 13,558.76, 20,332.66 and 4,196.58 is: 6,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.76 : 20,332.66 = 4,196.58 : x
  2. Step 2: Convert to fraction form
    13,558.76/20,332.66 = 4,196.58/x
  3. Step 3: Cross multiply
    13,558.76x = 20,332.66 × 4,196.58
  4. Step 4: Simplify right side
    13,558.76x = 85,327,634.30
  5. Step 5: Solve for x
    x = 85,327,634.30/13,558.76
  6. Step 6: Final answer
    x = 6,293.17

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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.