Home / 17,812.38-26,718.57-7,424.13

Finding the Fourth Proportional to 17,812.38, 26,718.57 and 7,424.13

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Solution

The fourth proportional to 17,812.38, 26,718.57 and 7,424.13 is: 11,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.38 : 26,718.57 = 7,424.13 : x
  2. Step 2: Convert to fraction form
    17,812.38/26,718.57 = 7,424.13/x
  3. Step 3: Cross multiply
    17,812.38x = 26,718.57 × 7,424.13
  4. Step 4: Simplify right side
    17,812.38x = 198,362,137.09
  5. Step 5: Solve for x
    x = 198,362,137.09/17,812.38
  6. Step 6: Final answer
    x = 11,136.20

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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.