Home / 13,189.08-19,791.58-6,953.70

Finding the Fourth Proportional to 13,189.08, 19,791.58 and 6,953.70

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Solution

The fourth proportional to 13,189.08, 19,791.58 and 6,953.70 is: 10,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.08 : 19,791.58 = 6,953.70 : x
  2. Step 2: Convert to fraction form
    13,189.08/19,791.58 = 6,953.70/x
  3. Step 3: Cross multiply
    13,189.08x = 19,791.58 × 6,953.70
  4. Step 4: Simplify right side
    13,189.08x = 137,624,709.85
  5. Step 5: Solve for x
    x = 137,624,709.85/13,189.08
  6. Step 6: Final answer
    x = 10,434.75

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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.