Home / 13,852.08-20,778.12-6,461.71

Finding the Fourth Proportional to 13,852.08, 20,778.12 and 6,461.71

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Solution

The fourth proportional to 13,852.08, 20,778.12 and 6,461.71 is: 9,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.08 : 20,778.12 = 6,461.71 : x
  2. Step 2: Convert to fraction form
    13,852.08/20,778.12 = 6,461.71/x
  3. Step 3: Cross multiply
    13,852.08x = 20,778.12 × 6,461.71
  4. Step 4: Simplify right side
    13,852.08x = 134,262,133.84
  5. Step 5: Solve for x
    x = 134,262,133.84/13,852.08
  6. Step 6: Final answer
    x = 9,692.56

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Similar ratio
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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.