Home / 13,535.39-20,305.11-4,768.76

Finding the Fourth Proportional to 13,535.39, 20,305.11 and 4,768.76

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Solution

The fourth proportional to 13,535.39, 20,305.11 and 4,768.76 is: 7,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.39 : 20,305.11 = 4,768.76 : x
  2. Step 2: Convert to fraction form
    13,535.39/20,305.11 = 4,768.76/x
  3. Step 3: Cross multiply
    13,535.39x = 20,305.11 × 4,768.76
  4. Step 4: Simplify right side
    13,535.39x = 96,830,196.36
  5. Step 5: Solve for x
    x = 96,830,196.36/13,535.39
  6. Step 6: Final answer
    x = 7,153.85

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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.