Home / 19,372.50-26,734.32-10,989

Finding the Fourth Proportional to 19,372.50, 26,734.32 and 10,989

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Solution

The fourth proportional to 19,372.50, 26,734.32 and 10,989 is: 15,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.50 : 26,734.32 = 10,989 : x
  2. Step 2: Convert to fraction form
    19,372.50/26,734.32 = 10,989/x
  3. Step 3: Cross multiply
    19,372.50x = 26,734.32 × 10,989
  4. Step 4: Simplify right side
    19,372.50x = 293,783,442.48
  5. Step 5: Solve for x
    x = 293,783,442.48/19,372.50
  6. Step 6: Final answer
    x = 15,164.97

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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.