Home / 13,837.89-19,094.58-7,787.39

Finding the Fourth Proportional to 13,837.89, 19,094.58 and 7,787.39

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Solution

The fourth proportional to 13,837.89, 19,094.58 and 7,787.39 is: 10,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.89 : 19,094.58 = 7,787.39 : x
  2. Step 2: Convert to fraction form
    13,837.89/19,094.58 = 7,787.39/x
  3. Step 3: Cross multiply
    13,837.89x = 19,094.58 × 7,787.39
  4. Step 4: Simplify right side
    13,837.89x = 148,696,845.87
  5. Step 5: Solve for x
    x = 148,696,845.87/13,837.89
  6. Step 6: Final answer
    x = 10,745.63

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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.