Home / 14,147.37-21,223.25-4,284.30

Finding the Fourth Proportional to 14,147.37, 21,223.25 and 4,284.30

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Solution

The fourth proportional to 14,147.37, 21,223.25 and 4,284.30 is: 6,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.37 : 21,223.25 = 4,284.30 : x
  2. Step 2: Convert to fraction form
    14,147.37/21,223.25 = 4,284.30/x
  3. Step 3: Cross multiply
    14,147.37x = 21,223.25 × 4,284.30
  4. Step 4: Simplify right side
    14,147.37x = 90,926,642.44
  5. Step 5: Solve for x
    x = 90,926,642.44/14,147.37
  6. Step 6: Final answer
    x = 6,427.11

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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.