Home / 14,216.31-21,311.37-6,314.63

Finding the Fourth Proportional to 14,216.31, 21,311.37 and 6,314.63

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Solution

The fourth proportional to 14,216.31, 21,311.37 and 6,314.63 is: 9,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.31 : 21,311.37 = 6,314.63 : x
  2. Step 2: Convert to fraction form
    14,216.31/21,311.37 = 6,314.63/x
  3. Step 3: Cross multiply
    14,216.31x = 21,311.37 × 6,314.63
  4. Step 4: Simplify right side
    14,216.31x = 134,573,309.79
  5. Step 5: Solve for x
    x = 134,573,309.79/14,216.31
  6. Step 6: Final answer
    x = 9,466.12

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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.