Home / 18,768.24-28,130.46-10,960.65

Finding the Fourth Proportional to 18,768.24, 28,130.46 and 10,960.65

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Solution

The fourth proportional to 18,768.24, 28,130.46 and 10,960.65 is: 16,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.24 : 28,130.46 = 10,960.65 : x
  2. Step 2: Convert to fraction form
    18,768.24/28,130.46 = 10,960.65/x
  3. Step 3: Cross multiply
    18,768.24x = 28,130.46 × 10,960.65
  4. Step 4: Simplify right side
    18,768.24x = 308,328,126.40
  5. Step 5: Solve for x
    x = 308,328,126.40/18,768.24
  6. Step 6: Final answer
    x = 16,428.19

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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.