Home / 12,942.35-19,390.05-5,928.23

Finding the Fourth Proportional to 12,942.35, 19,390.05 and 5,928.23

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Solution

The fourth proportional to 12,942.35, 19,390.05 and 5,928.23 is: 8,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.35 : 19,390.05 = 5,928.23 : x
  2. Step 2: Convert to fraction form
    12,942.35/19,390.05 = 5,928.23/x
  3. Step 3: Cross multiply
    12,942.35x = 19,390.05 × 5,928.23
  4. Step 4: Simplify right side
    12,942.35x = 114,948,724.59
  5. Step 5: Solve for x
    x = 114,948,724.59/12,942.35
  6. Step 6: Final answer
    x = 8,881.60

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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.