Home / 14,132.36-21,198.64-4,271.49

Finding the Fourth Proportional to 14,132.36, 21,198.64 and 4,271.49

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Solution

The fourth proportional to 14,132.36, 21,198.64 and 4,271.49 is: 6,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.36 : 21,198.64 = 4,271.49 : x
  2. Step 2: Convert to fraction form
    14,132.36/21,198.64 = 4,271.49/x
  3. Step 3: Cross multiply
    14,132.36x = 21,198.64 × 4,271.49
  4. Step 4: Simplify right side
    14,132.36x = 90,549,778.77
  5. Step 5: Solve for x
    x = 90,549,778.77/14,132.36
  6. Step 6: Final answer
    x = 6,407.27

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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.