Home / 21,066.41-29,070.86-11,634.77

Finding the Fourth Proportional to 21,066.41, 29,070.86 and 11,634.77

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Solution

The fourth proportional to 21,066.41, 29,070.86 and 11,634.77 is: 16,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.41 : 29,070.86 = 11,634.77 : x
  2. Step 2: Convert to fraction form
    21,066.41/29,070.86 = 11,634.77/x
  3. Step 3: Cross multiply
    21,066.41x = 29,070.86 × 11,634.77
  4. Step 4: Simplify right side
    21,066.41x = 338,232,566.27
  5. Step 5: Solve for x
    x = 338,232,566.27/21,066.41
  6. Step 6: Final answer
    x = 16,055.54

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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.