Home / 22,458.36-30,992.58-12,386.52

Finding the Fourth Proportional to 22,458.36, 30,992.58 and 12,386.52

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Solution

The fourth proportional to 22,458.36, 30,992.58 and 12,386.52 is: 17,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.36 : 30,992.58 = 12,386.52 : x
  2. Step 2: Convert to fraction form
    22,458.36/30,992.58 = 12,386.52/x
  3. Step 3: Cross multiply
    22,458.36x = 30,992.58 × 12,386.52
  4. Step 4: Simplify right side
    22,458.36x = 383,890,212.02
  5. Step 5: Solve for x
    x = 383,890,212.02/22,458.36
  6. Step 6: Final answer
    x = 17,093.42

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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.