Home / 12,928.23-19,388.60-5,904.52

Finding the Fourth Proportional to 12,928.23, 19,388.60 and 5,904.52

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Solution

The fourth proportional to 12,928.23, 19,388.60 and 5,904.52 is: 8,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928.23 : 19,388.60 = 5,904.52 : x
  2. Step 2: Convert to fraction form
    12,928.23/19,388.60 = 5,904.52/x
  3. Step 3: Cross multiply
    12,928.23x = 19,388.60 × 5,904.52
  4. Step 4: Simplify right side
    12,928.23x = 114,480,376.47
  5. Step 5: Solve for x
    x = 114,480,376.47/12,928.23
  6. Step 6: Final answer
    x = 8,855.07

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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.