Home / 10,625.48-15,940.74-3,605.36

Finding the Fourth Proportional to 10,625.48, 15,940.74 and 3,605.36

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Solution

The fourth proportional to 10,625.48, 15,940.74 and 3,605.36 is: 5,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.48 : 15,940.74 = 3,605.36 : x
  2. Step 2: Convert to fraction form
    10,625.48/15,940.74 = 3,605.36/x
  3. Step 3: Cross multiply
    10,625.48x = 15,940.74 × 3,605.36
  4. Step 4: Simplify right side
    10,625.48x = 57,472,106.37
  5. Step 5: Solve for x
    x = 57,472,106.37/10,625.48
  6. Step 6: Final answer
    x = 5,408.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.