Home / 13,531.41-18,671.49-7,563.33

Finding the Fourth Proportional to 13,531.41, 18,671.49 and 7,563.33

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Solution

The fourth proportional to 13,531.41, 18,671.49 and 7,563.33 is: 10,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.41 : 18,671.49 = 7,563.33 : x
  2. Step 2: Convert to fraction form
    13,531.41/18,671.49 = 7,563.33/x
  3. Step 3: Cross multiply
    13,531.41x = 18,671.49 × 7,563.33
  4. Step 4: Simplify right side
    13,531.41x = 141,218,640.46
  5. Step 5: Solve for x
    x = 141,218,640.46/13,531.41
  6. Step 6: Final answer
    x = 10,436.36

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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.