Home / 19,161.99-28,718.04-9,794.13

Finding the Fourth Proportional to 19,161.99, 28,718.04 and 9,794.13

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Solution

The fourth proportional to 19,161.99, 28,718.04 and 9,794.13 is: 14,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.99 : 28,718.04 = 9,794.13 : x
  2. Step 2: Convert to fraction form
    19,161.99/28,718.04 = 9,794.13/x
  3. Step 3: Cross multiply
    19,161.99x = 28,718.04 × 9,794.13
  4. Step 4: Simplify right side
    19,161.99x = 281,268,217.11
  5. Step 5: Solve for x
    x = 281,268,217.11/19,161.99
  6. Step 6: Final answer
    x = 14,678.45

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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.