Home / 19,462.09-29,189.60-6,813.70

Finding the Fourth Proportional to 19,462.09, 29,189.60 and 6,813.70

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Solution

The fourth proportional to 19,462.09, 29,189.60 and 6,813.70 is: 10,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,462.09 : 29,189.60 = 6,813.70 : x
  2. Step 2: Convert to fraction form
    19,462.09/29,189.60 = 6,813.70/x
  3. Step 3: Cross multiply
    19,462.09x = 29,189.60 × 6,813.70
  4. Step 4: Simplify right side
    19,462.09x = 198,888,997.50
  5. Step 5: Solve for x
    x = 198,888,997.50/19,462.09
  6. Step 6: Final answer
    x = 10,219.31

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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.