Home / 21,036.07-29,029.71-11,604.56

Finding the Fourth Proportional to 21,036.07, 29,029.71 and 11,604.56

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Solution

The fourth proportional to 21,036.07, 29,029.71 and 11,604.56 is: 16,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.07 : 29,029.71 = 11,604.56 : x
  2. Step 2: Convert to fraction form
    21,036.07/29,029.71 = 11,604.56/x
  3. Step 3: Cross multiply
    21,036.07x = 29,029.71 × 11,604.56
  4. Step 4: Simplify right side
    21,036.07x = 336,877,011.48
  5. Step 5: Solve for x
    x = 336,877,011.48/21,036.07
  6. Step 6: Final answer
    x = 16,014.26

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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.