Home / 18,233.03-27,354.16-5,085.40

Finding the Fourth Proportional to 18,233.03, 27,354.16 and 5,085.40

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Solution

The fourth proportional to 18,233.03, 27,354.16 and 5,085.40 is: 7,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.03 : 27,354.16 = 5,085.40 : x
  2. Step 2: Convert to fraction form
    18,233.03/27,354.16 = 5,085.40/x
  3. Step 3: Cross multiply
    18,233.03x = 27,354.16 × 5,085.40
  4. Step 4: Simplify right side
    18,233.03x = 139,106,708.49
  5. Step 5: Solve for x
    x = 139,106,708.49/18,233.03
  6. Step 6: Final answer
    x = 7,629.38

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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.