Home / 21,536.19-29,718.07-12,460.03

Finding the Fourth Proportional to 21,536.19, 29,718.07 and 12,460.03

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Solution

The fourth proportional to 21,536.19, 29,718.07 and 12,460.03 is: 17,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.19 : 29,718.07 = 12,460.03 : x
  2. Step 2: Convert to fraction form
    21,536.19/29,718.07 = 12,460.03/x
  3. Step 3: Cross multiply
    21,536.19x = 29,718.07 × 12,460.03
  4. Step 4: Simplify right side
    21,536.19x = 370,288,043.74
  5. Step 5: Solve for x
    x = 370,288,043.74/21,536.19
  6. Step 6: Final answer
    x = 17,193.76

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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.