Home / 17,946.60-24,771.06-12,643.80

Finding the Fourth Proportional to 17,946.60, 24,771.06 and 12,643.80

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Solution

The fourth proportional to 17,946.60, 24,771.06 and 12,643.80 is: 17,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.60 : 24,771.06 = 12,643.80 : x
  2. Step 2: Convert to fraction form
    17,946.60/24,771.06 = 12,643.80/x
  3. Step 3: Cross multiply
    17,946.60x = 24,771.06 × 12,643.80
  4. Step 4: Simplify right side
    17,946.60x = 313,200,328.43
  5. Step 5: Solve for x
    x = 313,200,328.43/17,946.60
  6. Step 6: Final answer
    x = 17,451.79

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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.