Home / 18,258.07-27,388.07-5,779.41

Finding the Fourth Proportional to 18,258.07, 27,388.07 and 5,779.41

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Solution

The fourth proportional to 18,258.07, 27,388.07 and 5,779.41 is: 8,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.07 : 27,388.07 = 5,779.41 : x
  2. Step 2: Convert to fraction form
    18,258.07/27,388.07 = 5,779.41/x
  3. Step 3: Cross multiply
    18,258.07x = 27,388.07 × 5,779.41
  4. Step 4: Simplify right side
    18,258.07x = 158,286,885.64
  5. Step 5: Solve for x
    x = 158,286,885.64/18,258.07
  6. Step 6: Final answer
    x = 8,669.42

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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.