Home / 18,814.48-28,215.03-13,533.58

Finding the Fourth Proportional to 18,814.48, 28,215.03 and 13,533.58

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Solution

The fourth proportional to 18,814.48, 28,215.03 and 13,533.58 is: 20,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.48 : 28,215.03 = 13,533.58 : x
  2. Step 2: Convert to fraction form
    18,814.48/28,215.03 = 13,533.58/x
  3. Step 3: Cross multiply
    18,814.48x = 28,215.03 × 13,533.58
  4. Step 4: Simplify right side
    18,814.48x = 381,850,451.73
  5. Step 5: Solve for x
    x = 381,850,451.73/18,814.48
  6. Step 6: Final answer
    x = 20,295.57

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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.