Home / 12,969.54-19,437.84-5,565.33

Finding the Fourth Proportional to 12,969.54, 19,437.84 and 5,565.33

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Solution

The fourth proportional to 12,969.54, 19,437.84 and 5,565.33 is: 8,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969.54 : 19,437.84 = 5,565.33 : x
  2. Step 2: Convert to fraction form
    12,969.54/19,437.84 = 5,565.33/x
  3. Step 3: Cross multiply
    12,969.54x = 19,437.84 × 5,565.33
  4. Step 4: Simplify right side
    12,969.54x = 108,177,994.09
  5. Step 5: Solve for x
    x = 108,177,994.09/12,969.54
  6. Step 6: Final answer
    x = 8,340.93

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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.