Home / 19,131.45-26,403.26-11,065.43

Finding the Fourth Proportional to 19,131.45, 26,403.26 and 11,065.43

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Solution

The fourth proportional to 19,131.45, 26,403.26 and 11,065.43 is: 15,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.45 : 26,403.26 = 11,065.43 : x
  2. Step 2: Convert to fraction form
    19,131.45/26,403.26 = 11,065.43/x
  3. Step 3: Cross multiply
    19,131.45x = 26,403.26 × 11,065.43
  4. Step 4: Simplify right side
    19,131.45x = 292,163,237.96
  5. Step 5: Solve for x
    x = 292,163,237.96/19,131.45
  6. Step 6: Final answer
    x = 15,271.36

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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.