Home / 13,492.82-20,239.45-4,727.70

Finding the Fourth Proportional to 13,492.82, 20,239.45 and 4,727.70

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Solution

The fourth proportional to 13,492.82, 20,239.45 and 4,727.70 is: 7,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.82 : 20,239.45 = 4,727.70 : x
  2. Step 2: Convert to fraction form
    13,492.82/20,239.45 = 4,727.70/x
  3. Step 3: Cross multiply
    13,492.82x = 20,239.45 × 4,727.70
  4. Step 4: Simplify right side
    13,492.82x = 95,686,035.95
  5. Step 5: Solve for x
    x = 95,686,035.95/13,492.82
  6. Step 6: Final answer
    x = 7,091.62

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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.