Home / 22,207.63-30,648.27-12,647.92

Finding the Fourth Proportional to 22,207.63, 30,648.27 and 12,647.92

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Solution

The fourth proportional to 22,207.63, 30,648.27 and 12,647.92 is: 17,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.63 : 30,648.27 = 12,647.92 : x
  2. Step 2: Convert to fraction form
    22,207.63/30,648.27 = 12,647.92/x
  3. Step 3: Cross multiply
    22,207.63x = 30,648.27 × 12,647.92
  4. Step 4: Simplify right side
    22,207.63x = 387,636,650.62
  5. Step 5: Solve for x
    x = 387,636,650.62/22,207.63
  6. Step 6: Final answer
    x = 17,455.12

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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.