Home / 21,066.46-29,070.93-11,634.82

Finding the Fourth Proportional to 21,066.46, 29,070.93 and 11,634.82

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Solution

The fourth proportional to 21,066.46, 29,070.93 and 11,634.82 is: 16,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.46 : 29,070.93 = 11,634.82 : x
  2. Step 2: Convert to fraction form
    21,066.46/29,070.93 = 11,634.82/x
  3. Step 3: Cross multiply
    21,066.46x = 29,070.93 × 11,634.82
  4. Step 4: Simplify right side
    21,066.46x = 338,235,037.78
  5. Step 5: Solve for x
    x = 338,235,037.78/21,066.46
  6. Step 6: Final answer
    x = 16,055.62

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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.