Home / 21,464.15-29,622.24-11,904.98

Finding the Fourth Proportional to 21,464.15, 29,622.24 and 11,904.98

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Solution

The fourth proportional to 21,464.15, 29,622.24 and 11,904.98 is: 16,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.15 : 29,622.24 = 11,904.98 : x
  2. Step 2: Convert to fraction form
    21,464.15/29,622.24 = 11,904.98/x
  3. Step 3: Cross multiply
    21,464.15x = 29,622.24 × 11,904.98
  4. Step 4: Simplify right side
    21,464.15x = 352,652,026.64
  5. Step 5: Solve for x
    x = 352,652,026.64/21,464.15
  6. Step 6: Final answer
    x = 16,429.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.