Home / 18,329.97-25,295.36-10,372.03

Finding the Fourth Proportional to 18,329.97, 25,295.36 and 10,372.03

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Solution

The fourth proportional to 18,329.97, 25,295.36 and 10,372.03 is: 14,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.97 : 25,295.36 = 10,372.03 : x
  2. Step 2: Convert to fraction form
    18,329.97/25,295.36 = 10,372.03/x
  3. Step 3: Cross multiply
    18,329.97x = 25,295.36 × 10,372.03
  4. Step 4: Simplify right side
    18,329.97x = 262,364,232.78
  5. Step 5: Solve for x
    x = 262,364,232.78/18,329.97
  6. Step 6: Final answer
    x = 14,313.40

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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.