Home / 19,407.96-29,112.12-6,928.56

Finding the Fourth Proportional to 19,407.96, 29,112.12 and 6,928.56

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Solution

The fourth proportional to 19,407.96, 29,112.12 and 6,928.56 is: 10,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.96 : 29,112.12 = 6,928.56 : x
  2. Step 2: Convert to fraction form
    19,407.96/29,112.12 = 6,928.56/x
  3. Step 3: Cross multiply
    19,407.96x = 29,112.12 × 6,928.56
  4. Step 4: Simplify right side
    19,407.96x = 201,705,070.15
  5. Step 5: Solve for x
    x = 201,705,070.15/19,407.96
  6. Step 6: Final answer
    x = 10,392.90

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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.