Home / 13,255.74-19,880.37-4,021.74

Finding the Fourth Proportional to 13,255.74, 19,880.37 and 4,021.74

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Solution

The fourth proportional to 13,255.74, 19,880.37 and 4,021.74 is: 6,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.74 : 19,880.37 = 4,021.74 : x
  2. Step 2: Convert to fraction form
    13,255.74/19,880.37 = 4,021.74/x
  3. Step 3: Cross multiply
    13,255.74x = 19,880.37 × 4,021.74
  4. Step 4: Simplify right side
    13,255.74x = 79,953,679.24
  5. Step 5: Solve for x
    x = 79,953,679.24/13,255.74
  6. Step 6: Final answer
    x = 6,031.63

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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.