Home / 16,996.80-25,498.84-7,130.39

Finding the Fourth Proportional to 16,996.80, 25,498.84 and 7,130.39

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Solution

The fourth proportional to 16,996.80, 25,498.84 and 7,130.39 is: 10,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.80 : 25,498.84 = 7,130.39 : x
  2. Step 2: Convert to fraction form
    16,996.80/25,498.84 = 7,130.39/x
  3. Step 3: Cross multiply
    16,996.80x = 25,498.84 × 7,130.39
  4. Step 4: Simplify right side
    16,996.80x = 181,816,673.75
  5. Step 5: Solve for x
    x = 181,816,673.75/16,996.80
  6. Step 6: Final answer
    x = 10,697.11

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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.