Home / 19,330.31-26,675.38-11,373.05

Finding the Fourth Proportional to 19,330.31, 26,675.38 and 11,373.05

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Solution

The fourth proportional to 19,330.31, 26,675.38 and 11,373.05 is: 15,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.31 : 26,675.38 = 11,373.05 : x
  2. Step 2: Convert to fraction form
    19,330.31/26,675.38 = 11,373.05/x
  3. Step 3: Cross multiply
    19,330.31x = 26,675.38 × 11,373.05
  4. Step 4: Simplify right side
    19,330.31x = 303,380,511.41
  5. Step 5: Solve for x
    x = 303,380,511.41/19,330.31
  6. Step 6: Final answer
    x = 15,694.55

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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.