Home / 22,046.87-30,417.35-12,485.79

Finding the Fourth Proportional to 22,046.87, 30,417.35 and 12,485.79

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Solution

The fourth proportional to 22,046.87, 30,417.35 and 12,485.79 is: 17,226.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,046.87 : 30,417.35 = 12,485.79 : x
  2. Step 2: Convert to fraction form
    22,046.87/30,417.35 = 12,485.79/x
  3. Step 3: Cross multiply
    22,046.87x = 30,417.35 × 12,485.79
  4. Step 4: Simplify right side
    22,046.87x = 379,784,582.03
  5. Step 5: Solve for x
    x = 379,784,582.03/22,046.87
  6. Step 6: Final answer
    x = 17,226.23

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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.