Home / 21,064.26-29,070.51-11,634.66

Finding the Fourth Proportional to 21,064.26, 29,070.51 and 11,634.66

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Solution

The fourth proportional to 21,064.26, 29,070.51 and 11,634.66 is: 16,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064.26 : 29,070.51 = 11,634.66 : x
  2. Step 2: Convert to fraction form
    21,064.26/29,070.51 = 11,634.66/x
  3. Step 3: Cross multiply
    21,064.26x = 29,070.51 × 11,634.66
  4. Step 4: Simplify right side
    21,064.26x = 338,225,499.88
  5. Step 5: Solve for x
    x = 338,225,499.88/21,064.26
  6. Step 6: Final answer
    x = 16,056.84

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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.