Home / 14,090.82-21,139.74-4,230.28

Finding the Fourth Proportional to 14,090.82, 21,139.74 and 4,230.28

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Solution

The fourth proportional to 14,090.82, 21,139.74 and 4,230.28 is: 6,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.82 : 21,139.74 = 4,230.28 : x
  2. Step 2: Convert to fraction form
    14,090.82/21,139.74 = 4,230.28/x
  3. Step 3: Cross multiply
    14,090.82x = 21,139.74 × 4,230.28
  4. Step 4: Simplify right side
    14,090.82x = 89,427,019.33
  5. Step 5: Solve for x
    x = 89,427,019.33/14,090.82
  6. Step 6: Final answer
    x = 6,346.47

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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.