Home / 16,864.39-23,251.23-13,828.33

Finding the Fourth Proportional to 16,864.39, 23,251.23 and 13,828.33

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Solution

The fourth proportional to 16,864.39, 23,251.23 and 13,828.33 is: 19,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.39 : 23,251.23 = 13,828.33 : x
  2. Step 2: Convert to fraction form
    16,864.39/23,251.23 = 13,828.33/x
  3. Step 3: Cross multiply
    16,864.39x = 23,251.23 × 13,828.33
  4. Step 4: Simplify right side
    16,864.39x = 321,525,495.95
  5. Step 5: Solve for x
    x = 321,525,495.95/16,864.39
  6. Step 6: Final answer
    x = 19,065.35

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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.