Home / 14,014.32-21,021.46-9,618.44

Finding the Fourth Proportional to 14,014.32, 21,021.46 and 9,618.44

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Solution

The fourth proportional to 14,014.32, 21,021.46 and 9,618.44 is: 14,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.32 : 21,021.46 = 9,618.44 : x
  2. Step 2: Convert to fraction form
    14,014.32/21,021.46 = 9,618.44/x
  3. Step 3: Cross multiply
    14,014.32x = 21,021.46 × 9,618.44
  4. Step 4: Simplify right side
    14,014.32x = 202,193,651.72
  5. Step 5: Solve for x
    x = 202,193,651.72/14,014.32
  6. Step 6: Final answer
    x = 14,427.65

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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.