Home / 11,190.42-16,783.03-4,947.03

Finding the Fourth Proportional to 11,190.42, 16,783.03 and 4,947.03

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Solution

The fourth proportional to 11,190.42, 16,783.03 and 4,947.03 is: 7,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.42 : 16,783.03 = 4,947.03 : x
  2. Step 2: Convert to fraction form
    11,190.42/16,783.03 = 4,947.03/x
  3. Step 3: Cross multiply
    11,190.42x = 16,783.03 × 4,947.03
  4. Step 4: Simplify right side
    11,190.42x = 83,026,152.90
  5. Step 5: Solve for x
    x = 83,026,152.90/11,190.42
  6. Step 6: Final answer
    x = 7,419.40

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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.