Home / 18,636.12-27,906.57-10,307.01

Finding the Fourth Proportional to 18,636.12, 27,906.57 and 10,307.01

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Solution

The fourth proportional to 18,636.12, 27,906.57 and 10,307.01 is: 15,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.12 : 27,906.57 = 10,307.01 : x
  2. Step 2: Convert to fraction form
    18,636.12/27,906.57 = 10,307.01/x
  3. Step 3: Cross multiply
    18,636.12x = 27,906.57 × 10,307.01
  4. Step 4: Simplify right side
    18,636.12x = 287,633,296.06
  5. Step 5: Solve for x
    x = 287,633,296.06/18,636.12
  6. Step 6: Final answer
    x = 15,434.18

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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.