Home / 12,837.75-19,258.64-5,442.24

Finding the Fourth Proportional to 12,837.75, 19,258.64 and 5,442.24

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Solution

The fourth proportional to 12,837.75, 19,258.64 and 5,442.24 is: 8,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.75 : 19,258.64 = 5,442.24 : x
  2. Step 2: Convert to fraction form
    12,837.75/19,258.64 = 5,442.24/x
  3. Step 3: Cross multiply
    12,837.75x = 19,258.64 × 5,442.24
  4. Step 4: Simplify right side
    12,837.75x = 104,810,140.95
  5. Step 5: Solve for x
    x = 104,810,140.95/12,837.75
  6. Step 6: Final answer
    x = 8,164.21

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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.