Home / 14,218.36-19,621.36-7,930.60

Finding the Fourth Proportional to 14,218.36, 19,621.36 and 7,930.60

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Solution

The fourth proportional to 14,218.36, 19,621.36 and 7,930.60 is: 10,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.36 : 19,621.36 = 7,930.60 : x
  2. Step 2: Convert to fraction form
    14,218.36/19,621.36 = 7,930.60/x
  3. Step 3: Cross multiply
    14,218.36x = 19,621.36 × 7,930.60
  4. Step 4: Simplify right side
    14,218.36x = 155,609,157.62
  5. Step 5: Solve for x
    x = 155,609,157.62/14,218.36
  6. Step 6: Final answer
    x = 10,944.24

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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.