Home / 13,290.82-19,926.45-6,370.18

Finding the Fourth Proportional to 13,290.82, 19,926.45 and 6,370.18

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Solution

The fourth proportional to 13,290.82, 19,926.45 and 6,370.18 is: 9,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.82 : 19,926.45 = 6,370.18 : x
  2. Step 2: Convert to fraction form
    13,290.82/19,926.45 = 6,370.18/x
  3. Step 3: Cross multiply
    13,290.82x = 19,926.45 × 6,370.18
  4. Step 4: Simplify right side
    13,290.82x = 126,935,073.26
  5. Step 5: Solve for x
    x = 126,935,073.26/13,290.82
  6. Step 6: Final answer
    x = 9,550.58

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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.