Home / 21,903.07-30,226.23-11,967.07

Finding the Fourth Proportional to 21,903.07, 30,226.23 and 11,967.07

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Solution

The fourth proportional to 21,903.07, 30,226.23 and 11,967.07 is: 16,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903.07 : 30,226.23 = 11,967.07 : x
  2. Step 2: Convert to fraction form
    21,903.07/30,226.23 = 11,967.07/x
  3. Step 3: Cross multiply
    21,903.07x = 30,226.23 × 11,967.07
  4. Step 4: Simplify right side
    21,903.07x = 361,719,410.25
  5. Step 5: Solve for x
    x = 361,719,410.25/21,903.07
  6. Step 6: Final answer
    x = 16,514.55

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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.