Home / 14,272.57-21,419.37-6,776.16

Finding the Fourth Proportional to 14,272.57, 21,419.37 and 6,776.16

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Solution

The fourth proportional to 14,272.57, 21,419.37 and 6,776.16 is: 10,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.57 : 21,419.37 = 6,776.16 : x
  2. Step 2: Convert to fraction form
    14,272.57/21,419.37 = 6,776.16/x
  3. Step 3: Cross multiply
    14,272.57x = 21,419.37 × 6,776.16
  4. Step 4: Simplify right side
    14,272.57x = 145,141,078.22
  5. Step 5: Solve for x
    x = 145,141,078.22/14,272.57
  6. Step 6: Final answer
    x = 10,169.23

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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.