Home / 20,534.37-28,349.64-13,473.12

Finding the Fourth Proportional to 20,534.37, 28,349.64 and 13,473.12

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Solution

The fourth proportional to 20,534.37, 28,349.64 and 13,473.12 is: 18,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.37 : 28,349.64 = 13,473.12 : x
  2. Step 2: Convert to fraction form
    20,534.37/28,349.64 = 13,473.12/x
  3. Step 3: Cross multiply
    20,534.37x = 28,349.64 × 13,473.12
  4. Step 4: Simplify right side
    20,534.37x = 381,958,101.68
  5. Step 5: Solve for x
    x = 381,958,101.68/20,534.37
  6. Step 6: Final answer
    x = 18,600.92

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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.