Home / 23,478.60-35,193.42-12,397.80

Finding the Fourth Proportional to 23,478.60, 35,193.42 and 12,397.80

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Solution

The fourth proportional to 23,478.60, 35,193.42 and 12,397.80 is: 18,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.60 : 35,193.42 = 12,397.80 : x
  2. Step 2: Convert to fraction form
    23,478.60/35,193.42 = 12,397.80/x
  3. Step 3: Cross multiply
    23,478.60x = 35,193.42 × 12,397.80
  4. Step 4: Simplify right side
    23,478.60x = 436,320,982.48
  5. Step 5: Solve for x
    x = 436,320,982.48/23,478.60
  6. Step 6: Final answer
    x = 18,583.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.