Home / 14,136.80-21,208.53-4,276.16

Finding the Fourth Proportional to 14,136.80, 21,208.53 and 4,276.16

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Solution

The fourth proportional to 14,136.80, 21,208.53 and 4,276.16 is: 6,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.80 : 21,208.53 = 4,276.16 : x
  2. Step 2: Convert to fraction form
    14,136.80/21,208.53 = 4,276.16/x
  3. Step 3: Cross multiply
    14,136.80x = 21,208.53 × 4,276.16
  4. Step 4: Simplify right side
    14,136.80x = 90,691,067.64
  5. Step 5: Solve for x
    x = 90,691,067.64/14,136.80
  6. Step 6: Final answer
    x = 6,415.25

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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.