Home / 19,309.68-26,650.82-11,352.31

Finding the Fourth Proportional to 19,309.68, 26,650.82 and 11,352.31

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Solution

The fourth proportional to 19,309.68, 26,650.82 and 11,352.31 is: 15,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.68 : 26,650.82 = 11,352.31 : x
  2. Step 2: Convert to fraction form
    19,309.68/26,650.82 = 11,352.31/x
  3. Step 3: Cross multiply
    19,309.68x = 26,650.82 × 11,352.31
  4. Step 4: Simplify right side
    19,309.68x = 302,548,370.39
  5. Step 5: Solve for x
    x = 302,548,370.39/19,309.68
  6. Step 6: Final answer
    x = 15,668.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.