Home / 12,963.30-19,444.26-7,413.12

Finding the Fourth Proportional to 12,963.30, 19,444.26 and 7,413.12

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Solution

The fourth proportional to 12,963.30, 19,444.26 and 7,413.12 is: 11,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.30 : 19,444.26 = 7,413.12 : x
  2. Step 2: Convert to fraction form
    12,963.30/19,444.26 = 7,413.12/x
  3. Step 3: Cross multiply
    12,963.30x = 19,444.26 × 7,413.12
  4. Step 4: Simplify right side
    12,963.30x = 144,142,632.69
  5. Step 5: Solve for x
    x = 144,142,632.69/12,963.30
  6. Step 6: Final answer
    x = 11,119.29

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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.