Home / 12,928.31-19,402.11-9,604.23

Finding the Fourth Proportional to 12,928.31, 19,402.11 and 9,604.23

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Solution

The fourth proportional to 12,928.31, 19,402.11 and 9,604.23 is: 14,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928.31 : 19,402.11 = 9,604.23 : x
  2. Step 2: Convert to fraction form
    12,928.31/19,402.11 = 9,604.23/x
  3. Step 3: Cross multiply
    12,928.31x = 19,402.11 × 9,604.23
  4. Step 4: Simplify right side
    12,928.31x = 186,342,326.93
  5. Step 5: Solve for x
    x = 186,342,326.93/12,928.31
  6. Step 6: Final answer
    x = 14,413.52

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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.