Home / 18,255.75-27,391.86-10,464.57

Finding the Fourth Proportional to 18,255.75, 27,391.86 and 10,464.57

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Solution

The fourth proportional to 18,255.75, 27,391.86 and 10,464.57 is: 15,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.75 : 27,391.86 = 10,464.57 : x
  2. Step 2: Convert to fraction form
    18,255.75/27,391.86 = 10,464.57/x
  3. Step 3: Cross multiply
    18,255.75x = 27,391.86 × 10,464.57
  4. Step 4: Simplify right side
    18,255.75x = 286,644,036.40
  5. Step 5: Solve for x
    x = 286,644,036.40/18,255.75
  6. Step 6: Final answer
    x = 15,701.58

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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.