Home / 21,066.24-29,070.86-11,634.60

Finding the Fourth Proportional to 21,066.24, 29,070.86 and 11,634.60

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Solution

The fourth proportional to 21,066.24, 29,070.86 and 11,634.60 is: 16,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.24 : 29,070.86 = 11,634.60 : x
  2. Step 2: Convert to fraction form
    21,066.24/29,070.86 = 11,634.60/x
  3. Step 3: Cross multiply
    21,066.24x = 29,070.86 × 11,634.60
  4. Step 4: Simplify right side
    21,066.24x = 338,227,827.76
  5. Step 5: Solve for x
    x = 338,227,827.76/21,066.24
  6. Step 6: Final answer
    x = 16,055.44

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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.