Home / 18,896.09-28,348.99-7,210.22

Finding the Fourth Proportional to 18,896.09, 28,348.99 and 7,210.22

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Solution

The fourth proportional to 18,896.09, 28,348.99 and 7,210.22 is: 10,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.09 : 28,348.99 = 7,210.22 : x
  2. Step 2: Convert to fraction form
    18,896.09/28,348.99 = 7,210.22/x
  3. Step 3: Cross multiply
    18,896.09x = 28,348.99 × 7,210.22
  4. Step 4: Simplify right side
    18,896.09x = 204,402,294.91
  5. Step 5: Solve for x
    x = 204,402,294.91/18,896.09
  6. Step 6: Final answer
    x = 10,817.18

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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.