Home / 20,206.14-27,896.04-13,503.12

Finding the Fourth Proportional to 20,206.14, 27,896.04 and 13,503.12

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Solution

The fourth proportional to 20,206.14, 27,896.04 and 13,503.12 is: 18,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.14 : 27,896.04 = 13,503.12 : x
  2. Step 2: Convert to fraction form
    20,206.14/27,896.04 = 13,503.12/x
  3. Step 3: Cross multiply
    20,206.14x = 27,896.04 × 13,503.12
  4. Step 4: Simplify right side
    20,206.14x = 376,683,575.64
  5. Step 5: Solve for x
    x = 376,683,575.64/20,206.14
  6. Step 6: Final answer
    x = 18,642.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.