Home / 16,901.40-25,344.54-5,215.80

Finding the Fourth Proportional to 16,901.40, 25,344.54 and 5,215.80

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Solution

The fourth proportional to 16,901.40, 25,344.54 and 5,215.80 is: 7,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901.40 : 25,344.54 = 5,215.80 : x
  2. Step 2: Convert to fraction form
    16,901.40/25,344.54 = 5,215.80/x
  3. Step 3: Cross multiply
    16,901.40x = 25,344.54 × 5,215.80
  4. Step 4: Simplify right side
    16,901.40x = 132,192,051.73
  5. Step 5: Solve for x
    x = 132,192,051.73/16,901.40
  6. Step 6: Final answer
    x = 7,821.37

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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.