Home / 22,043.07-30,421.71-12,612.24

Finding the Fourth Proportional to 22,043.07, 30,421.71 and 12,612.24

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Solution

The fourth proportional to 22,043.07, 30,421.71 and 12,612.24 is: 17,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,043.07 : 30,421.71 = 12,612.24 : x
  2. Step 2: Convert to fraction form
    22,043.07/30,421.71 = 12,612.24/x
  3. Step 3: Cross multiply
    22,043.07x = 30,421.71 × 12,612.24
  4. Step 4: Simplify right side
    22,043.07x = 383,685,907.73
  5. Step 5: Solve for x
    x = 383,685,907.73/22,043.07
  6. Step 6: Final answer
    x = 17,406.19

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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.