Home / 14,620.64-21,903.41-7,216.43

Finding the Fourth Proportional to 14,620.64, 21,903.41 and 7,216.43

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Solution

The fourth proportional to 14,620.64, 21,903.41 and 7,216.43 is: 10,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.64 : 21,903.41 = 7,216.43 : x
  2. Step 2: Convert to fraction form
    14,620.64/21,903.41 = 7,216.43/x
  3. Step 3: Cross multiply
    14,620.64x = 21,903.41 × 7,216.43
  4. Step 4: Simplify right side
    14,620.64x = 158,064,333.55
  5. Step 5: Solve for x
    x = 158,064,333.55/14,620.64
  6. Step 6: Final answer
    x = 10,811.04

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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.