Home / 14,940.40-22,410.60-5,090.80

Finding the Fourth Proportional to 14,940.40, 22,410.60 and 5,090.80

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Solution

The fourth proportional to 14,940.40, 22,410.60 and 5,090.80 is: 7,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.40 : 22,410.60 = 5,090.80 : x
  2. Step 2: Convert to fraction form
    14,940.40/22,410.60 = 5,090.80/x
  3. Step 3: Cross multiply
    14,940.40x = 22,410.60 × 5,090.80
  4. Step 4: Simplify right side
    14,940.40x = 114,087,882.48
  5. Step 5: Solve for x
    x = 114,087,882.48/14,940.40
  6. Step 6: Final answer
    x = 7,636.20

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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.