Home / 18,843.04-28,269.21-13,307.23

Finding the Fourth Proportional to 18,843.04, 28,269.21 and 13,307.23

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Solution

The fourth proportional to 18,843.04, 28,269.21 and 13,307.23 is: 19,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.04 : 28,269.21 = 13,307.23 : x
  2. Step 2: Convert to fraction form
    18,843.04/28,269.21 = 13,307.23/x
  3. Step 3: Cross multiply
    18,843.04x = 28,269.21 × 13,307.23
  4. Step 4: Simplify right side
    18,843.04x = 376,184,879.39
  5. Step 5: Solve for x
    x = 376,184,879.39/18,843.04
  6. Step 6: Final answer
    x = 19,964.13

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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.