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Finding the Fourth Proportional to 12,804.03, 19,190.97 and 5,775.87

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Solution

The fourth proportional to 12,804.03, 19,190.97 and 5,775.87 is: 8,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.03 : 19,190.97 = 5,775.87 : x
  2. Step 2: Convert to fraction form
    12,804.03/19,190.97 = 5,775.87/x
  3. Step 3: Cross multiply
    12,804.03x = 19,190.97 × 5,775.87
  4. Step 4: Simplify right side
    12,804.03x = 110,844,547.89
  5. Step 5: Solve for x
    x = 110,844,547.89/12,804.03
  6. Step 6: Final answer
    x = 8,657.00

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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.