Home / 18,040.45-24,903.49-10,969.13

Finding the Fourth Proportional to 18,040.45, 24,903.49 and 10,969.13

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Solution

The fourth proportional to 18,040.45, 24,903.49 and 10,969.13 is: 15,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.45 : 24,903.49 = 10,969.13 : x
  2. Step 2: Convert to fraction form
    18,040.45/24,903.49 = 10,969.13/x
  3. Step 3: Cross multiply
    18,040.45x = 24,903.49 × 10,969.13
  4. Step 4: Simplify right side
    18,040.45x = 273,169,619.26
  5. Step 5: Solve for x
    x = 273,169,619.26/18,040.45
  6. Step 6: Final answer
    x = 15,142.06

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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.