Home / 12,751.53-19,125.77-3,392.23

Finding the Fourth Proportional to 12,751.53, 19,125.77 and 3,392.23

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Solution

The fourth proportional to 12,751.53, 19,125.77 and 3,392.23 is: 5,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,751.53 : 19,125.77 = 3,392.23 : x
  2. Step 2: Convert to fraction form
    12,751.53/19,125.77 = 3,392.23/x
  3. Step 3: Cross multiply
    12,751.53x = 19,125.77 × 3,392.23
  4. Step 4: Simplify right side
    12,751.53x = 64,878,993.81
  5. Step 5: Solve for x
    x = 64,878,993.81/12,751.53
  6. Step 6: Final answer
    x = 5,087.94

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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.