Home / 21,065.94-29,070.36-11,634.48

Finding the Fourth Proportional to 21,065.94, 29,070.36 and 11,634.48

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Solution

The fourth proportional to 21,065.94, 29,070.36 and 11,634.48 is: 16,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065.94 : 29,070.36 = 11,634.48 : x
  2. Step 2: Convert to fraction form
    21,065.94/29,070.36 = 11,634.48/x
  3. Step 3: Cross multiply
    21,065.94x = 29,070.36 × 11,634.48
  4. Step 4: Simplify right side
    21,065.94x = 338,218,522.01
  5. Step 5: Solve for x
    x = 338,218,522.01/21,065.94
  6. Step 6: Final answer
    x = 16,055.23

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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.