Home / 11,858.31-17,788.50-4,838.85

Finding the Fourth Proportional to 11,858.31, 17,788.50 and 4,838.85

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Solution

The fourth proportional to 11,858.31, 17,788.50 and 4,838.85 is: 7,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.31 : 17,788.50 = 4,838.85 : x
  2. Step 2: Convert to fraction form
    11,858.31/17,788.50 = 4,838.85/x
  3. Step 3: Cross multiply
    11,858.31x = 17,788.50 × 4,838.85
  4. Step 4: Simplify right side
    11,858.31x = 86,075,883.23
  5. Step 5: Solve for x
    x = 86,075,883.23/11,858.31
  6. Step 6: Final answer
    x = 7,258.70

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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.