Home / 19,142.06-28,717.67-9,269.80

Finding the Fourth Proportional to 19,142.06, 28,717.67 and 9,269.80

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Solution

The fourth proportional to 19,142.06, 28,717.67 and 9,269.80 is: 13,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.06 : 28,717.67 = 9,269.80 : x
  2. Step 2: Convert to fraction form
    19,142.06/28,717.67 = 9,269.80/x
  3. Step 3: Cross multiply
    19,142.06x = 28,717.67 × 9,269.80
  4. Step 4: Simplify right side
    19,142.06x = 266,207,008.75
  5. Step 5: Solve for x
    x = 266,207,008.75/19,142.06
  6. Step 6: Final answer
    x = 13,906.92

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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.