Home / 18,853.28-28,290.80-10,093.08

Finding the Fourth Proportional to 18,853.28, 28,290.80 and 10,093.08

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Solution

The fourth proportional to 18,853.28, 28,290.80 and 10,093.08 is: 15,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.28 : 28,290.80 = 10,093.08 : x
  2. Step 2: Convert to fraction form
    18,853.28/28,290.80 = 10,093.08/x
  3. Step 3: Cross multiply
    18,853.28x = 28,290.80 × 10,093.08
  4. Step 4: Simplify right side
    18,853.28x = 285,541,307.66
  5. Step 5: Solve for x
    x = 285,541,307.66/18,853.28
  6. Step 6: Final answer
    x = 15,145.44

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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.