Home / 14,940.72-22,350.60-12,480.48

Finding the Fourth Proportional to 14,940.72, 22,350.60 and 12,480.48

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Solution

The fourth proportional to 14,940.72, 22,350.60 and 12,480.48 is: 18,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.72 : 22,350.60 = 12,480.48 : x
  2. Step 2: Convert to fraction form
    14,940.72/22,350.60 = 12,480.48/x
  3. Step 3: Cross multiply
    14,940.72x = 22,350.60 × 12,480.48
  4. Step 4: Simplify right side
    14,940.72x = 278,946,216.29
  5. Step 5: Solve for x
    x = 278,946,216.29/14,940.72
  6. Step 6: Final answer
    x = 18,670.20

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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.