Home / 18,745.16-25,869.10-10,787.41

Finding the Fourth Proportional to 18,745.16, 25,869.10 and 10,787.41

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Solution

The fourth proportional to 18,745.16, 25,869.10 and 10,787.41 is: 14,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.16 : 25,869.10 = 10,787.41 : x
  2. Step 2: Convert to fraction form
    18,745.16/25,869.10 = 10,787.41/x
  3. Step 3: Cross multiply
    18,745.16x = 25,869.10 × 10,787.41
  4. Step 4: Simplify right side
    18,745.16x = 279,060,496.39
  5. Step 5: Solve for x
    x = 279,060,496.39/18,745.16
  6. Step 6: Final answer
    x = 14,887.07

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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.