Home / 13,865.49-20,794.50-6,462.72

Finding the Fourth Proportional to 13,865.49, 20,794.50 and 6,462.72

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Solution

The fourth proportional to 13,865.49, 20,794.50 and 6,462.72 is: 9,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.49 : 20,794.50 = 6,462.72 : x
  2. Step 2: Convert to fraction form
    13,865.49/20,794.50 = 6,462.72/x
  3. Step 3: Cross multiply
    13,865.49x = 20,794.50 × 6,462.72
  4. Step 4: Simplify right side
    13,865.49x = 134,389,031.04
  5. Step 5: Solve for x
    x = 134,389,031.04/13,865.49
  6. Step 6: Final answer
    x = 9,692.34

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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.