Home / 19,331.44-26,676.93-11,374.18

Finding the Fourth Proportional to 19,331.44, 26,676.93 and 11,374.18

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Solution

The fourth proportional to 19,331.44, 26,676.93 and 11,374.18 is: 15,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.44 : 26,676.93 = 11,374.18 : x
  2. Step 2: Convert to fraction form
    19,331.44/26,676.93 = 11,374.18/x
  3. Step 3: Cross multiply
    19,331.44x = 26,676.93 × 11,374.18
  4. Step 4: Simplify right side
    19,331.44x = 303,428,179.63
  5. Step 5: Solve for x
    x = 303,428,179.63/19,331.44
  6. Step 6: Final answer
    x = 15,696.10

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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.