Home / 19,491.96-26,903.34-11,538.84

Finding the Fourth Proportional to 19,491.96, 26,903.34 and 11,538.84

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Solution

The fourth proportional to 19,491.96, 26,903.34 and 11,538.84 is: 15,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.96 : 26,903.34 = 11,538.84 : x
  2. Step 2: Convert to fraction form
    19,491.96/26,903.34 = 11,538.84/x
  3. Step 3: Cross multiply
    19,491.96x = 26,903.34 × 11,538.84
  4. Step 4: Simplify right side
    19,491.96x = 310,433,335.73
  5. Step 5: Solve for x
    x = 310,433,335.73/19,491.96
  6. Step 6: Final answer
    x = 15,926.22

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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.