Home / 16,897.80-25,350.30-5,212.20

Finding the Fourth Proportional to 16,897.80, 25,350.30 and 5,212.20

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Solution

The fourth proportional to 16,897.80, 25,350.30 and 5,212.20 is: 7,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.80 : 25,350.30 = 5,212.20 : x
  2. Step 2: Convert to fraction form
    16,897.80/25,350.30 = 5,212.20/x
  3. Step 3: Cross multiply
    16,897.80x = 25,350.30 × 5,212.20
  4. Step 4: Simplify right side
    16,897.80x = 132,130,833.66
  5. Step 5: Solve for x
    x = 132,130,833.66/16,897.80
  6. Step 6: Final answer
    x = 7,819.41

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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.