Home / 13,751.89-18,977.50-7,464.27

Finding the Fourth Proportional to 13,751.89, 18,977.50 and 7,464.27

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Solution

The fourth proportional to 13,751.89, 18,977.50 and 7,464.27 is: 10,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.89 : 18,977.50 = 7,464.27 : x
  2. Step 2: Convert to fraction form
    13,751.89/18,977.50 = 7,464.27/x
  3. Step 3: Cross multiply
    13,751.89x = 18,977.50 × 7,464.27
  4. Step 4: Simplify right side
    13,751.89x = 141,653,183.93
  5. Step 5: Solve for x
    x = 141,653,183.93/13,751.89
  6. Step 6: Final answer
    x = 10,300.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.