Home / 19,388.41-26,755.09-11,322.47

Finding the Fourth Proportional to 19,388.41, 26,755.09 and 11,322.47

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Solution

The fourth proportional to 19,388.41, 26,755.09 and 11,322.47 is: 15,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.41 : 26,755.09 = 11,322.47 : x
  2. Step 2: Convert to fraction form
    19,388.41/26,755.09 = 11,322.47/x
  3. Step 3: Cross multiply
    19,388.41x = 26,755.09 × 11,322.47
  4. Step 4: Simplify right side
    19,388.41x = 302,933,742.45
  5. Step 5: Solve for x
    x = 302,933,742.45/19,388.41
  6. Step 6: Final answer
    x = 15,624.48

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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.