Home / 10,284.36-15,427.03-2,889.55

Finding the Fourth Proportional to 10,284.36, 15,427.03 and 2,889.55

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Solution

The fourth proportional to 10,284.36, 15,427.03 and 2,889.55 is: 4,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.36 : 15,427.03 = 2,889.55 : x
  2. Step 2: Convert to fraction form
    10,284.36/15,427.03 = 2,889.55/x
  3. Step 3: Cross multiply
    10,284.36x = 15,427.03 × 2,889.55
  4. Step 4: Simplify right side
    10,284.36x = 44,577,174.54
  5. Step 5: Solve for x
    x = 44,577,174.54/10,284.36
  6. Step 6: Final answer
    x = 4,334.46

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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.