Home / 21,054.06-29,054.61-11,622.69

Finding the Fourth Proportional to 21,054.06, 29,054.61 and 11,622.69

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Solution

The fourth proportional to 21,054.06, 29,054.61 and 11,622.69 is: 16,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.06 : 29,054.61 = 11,622.69 : x
  2. Step 2: Convert to fraction form
    21,054.06/29,054.61 = 11,622.69/x
  3. Step 3: Cross multiply
    21,054.06x = 29,054.61 × 11,622.69
  4. Step 4: Simplify right side
    21,054.06x = 337,692,768.68
  5. Step 5: Solve for x
    x = 337,692,768.68/21,054.06
  6. Step 6: Final answer
    x = 16,039.32

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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.