Home / 13,281.36-19,926.96-6,351.12

Finding the Fourth Proportional to 13,281.36, 19,926.96 and 6,351.12

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Solution

The fourth proportional to 13,281.36, 19,926.96 and 6,351.12 is: 9,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.36 : 19,926.96 = 6,351.12 : x
  2. Step 2: Convert to fraction form
    13,281.36/19,926.96 = 6,351.12/x
  3. Step 3: Cross multiply
    13,281.36x = 19,926.96 × 6,351.12
  4. Step 4: Simplify right side
    13,281.36x = 126,558,514.20
  5. Step 5: Solve for x
    x = 126,558,514.20/13,281.36
  6. Step 6: Final answer
    x = 9,529.03

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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.