Home / 13,512.39-18,647.73-7,463.48

Finding the Fourth Proportional to 13,512.39, 18,647.73 and 7,463.48

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Solution

The fourth proportional to 13,512.39, 18,647.73 and 7,463.48 is: 10,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.39 : 18,647.73 = 7,463.48 : x
  2. Step 2: Convert to fraction form
    13,512.39/18,647.73 = 7,463.48/x
  3. Step 3: Cross multiply
    13,512.39x = 18,647.73 × 7,463.48
  4. Step 4: Simplify right side
    13,512.39x = 139,176,955.83
  5. Step 5: Solve for x
    x = 139,176,955.83/13,512.39
  6. Step 6: Final answer
    x = 10,299.95

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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.