Home / 21,536.33-29,713.25-13,035.74

Finding the Fourth Proportional to 21,536.33, 29,713.25 and 13,035.74

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Solution

The fourth proportional to 21,536.33, 29,713.25 and 13,035.74 is: 17,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.33 : 29,713.25 = 13,035.74 : x
  2. Step 2: Convert to fraction form
    21,536.33/29,713.25 = 13,035.74/x
  3. Step 3: Cross multiply
    21,536.33x = 29,713.25 × 13,035.74
  4. Step 4: Simplify right side
    21,536.33x = 387,334,085.58
  5. Step 5: Solve for x
    x = 387,334,085.58/21,536.33
  6. Step 6: Final answer
    x = 17,985.15

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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.