Home / 16,928.25-25,402.10-13,220.07

Finding the Fourth Proportional to 16,928.25, 25,402.10 and 13,220.07

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Solution

The fourth proportional to 16,928.25, 25,402.10 and 13,220.07 is: 19,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.25 : 25,402.10 = 13,220.07 : x
  2. Step 2: Convert to fraction form
    16,928.25/25,402.10 = 13,220.07/x
  3. Step 3: Cross multiply
    16,928.25x = 25,402.10 × 13,220.07
  4. Step 4: Simplify right side
    16,928.25x = 335,817,410.54
  5. Step 5: Solve for x
    x = 335,817,410.54/16,928.25
  6. Step 6: Final answer
    x = 19,837.69

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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.