Home / 21,036.46-29,029.44-11,604.82

Finding the Fourth Proportional to 21,036.46, 29,029.44 and 11,604.82

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Solution

The fourth proportional to 21,036.46, 29,029.44 and 11,604.82 is: 16,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.46 : 29,029.44 = 11,604.82 : x
  2. Step 2: Convert to fraction form
    21,036.46/29,029.44 = 11,604.82/x
  3. Step 3: Cross multiply
    21,036.46x = 29,029.44 × 11,604.82
  4. Step 4: Simplify right side
    21,036.46x = 336,881,425.90
  5. Step 5: Solve for x
    x = 336,881,425.90/21,036.46
  6. Step 6: Final answer
    x = 16,014.17

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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.