Home / 18,960.09-26,165.17-10,462.56

Finding the Fourth Proportional to 18,960.09, 26,165.17 and 10,462.56

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Solution

The fourth proportional to 18,960.09, 26,165.17 and 10,462.56 is: 14,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.09 : 26,165.17 = 10,462.56 : x
  2. Step 2: Convert to fraction form
    18,960.09/26,165.17 = 10,462.56/x
  3. Step 3: Cross multiply
    18,960.09x = 26,165.17 × 10,462.56
  4. Step 4: Simplify right side
    18,960.09x = 273,754,661.04
  5. Step 5: Solve for x
    x = 273,754,661.04/18,960.09
  6. Step 6: Final answer
    x = 14,438.47

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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.