Home / 12,727.01-19,097.80-7,109.39

Finding the Fourth Proportional to 12,727.01, 19,097.80 and 7,109.39

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Solution

The fourth proportional to 12,727.01, 19,097.80 and 7,109.39 is: 10,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.01 : 19,097.80 = 7,109.39 : x
  2. Step 2: Convert to fraction form
    12,727.01/19,097.80 = 7,109.39/x
  3. Step 3: Cross multiply
    12,727.01x = 19,097.80 × 7,109.39
  4. Step 4: Simplify right side
    12,727.01x = 135,773,708.34
  5. Step 5: Solve for x
    x = 135,773,708.34/12,727.01
  6. Step 6: Final answer
    x = 10,668.15

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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.