Home / 19,151.81-28,754.62-9,798.54

Finding the Fourth Proportional to 19,151.81, 28,754.62 and 9,798.54

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Solution

The fourth proportional to 19,151.81, 28,754.62 and 9,798.54 is: 14,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.81 : 28,754.62 = 9,798.54 : x
  2. Step 2: Convert to fraction form
    19,151.81/28,754.62 = 9,798.54/x
  3. Step 3: Cross multiply
    19,151.81x = 28,754.62 × 9,798.54
  4. Step 4: Simplify right side
    19,151.81x = 281,753,217.05
  5. Step 5: Solve for x
    x = 281,753,217.05/19,151.81
  6. Step 6: Final answer
    x = 14,711.57

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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.