Home / 21,967.64-30,315.06-12,536.36

Finding the Fourth Proportional to 21,967.64, 30,315.06 and 12,536.36

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Solution

The fourth proportional to 21,967.64, 30,315.06 and 12,536.36 is: 17,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.64 : 30,315.06 = 12,536.36 : x
  2. Step 2: Convert to fraction form
    21,967.64/30,315.06 = 12,536.36/x
  3. Step 3: Cross multiply
    21,967.64x = 30,315.06 × 12,536.36
  4. Step 4: Simplify right side
    21,967.64x = 380,040,505.58
  5. Step 5: Solve for x
    x = 380,040,505.58/21,967.64
  6. Step 6: Final answer
    x = 17,300.02

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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.