Home / 21,055.07-29,055.99-11,623.70

Finding the Fourth Proportional to 21,055.07, 29,055.99 and 11,623.70

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Solution

The fourth proportional to 21,055.07, 29,055.99 and 11,623.70 is: 16,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.07 : 29,055.99 = 11,623.70 : x
  2. Step 2: Convert to fraction form
    21,055.07/29,055.99 = 11,623.70/x
  3. Step 3: Cross multiply
    21,055.07x = 29,055.99 × 11,623.70
  4. Step 4: Simplify right side
    21,055.07x = 337,737,965.68
  5. Step 5: Solve for x
    x = 337,737,965.68/21,055.07
  6. Step 6: Final answer
    x = 16,040.70

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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.