Home / 12,413.64-17,130.06-7,107.24

Finding the Fourth Proportional to 12,413.64, 17,130.06 and 7,107.24

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Solution

The fourth proportional to 12,413.64, 17,130.06 and 7,107.24 is: 9,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.64 : 17,130.06 = 7,107.24 : x
  2. Step 2: Convert to fraction form
    12,413.64/17,130.06 = 7,107.24/x
  3. Step 3: Cross multiply
    12,413.64x = 17,130.06 × 7,107.24
  4. Step 4: Simplify right side
    12,413.64x = 121,747,447.63
  5. Step 5: Solve for x
    x = 121,747,447.63/12,413.64
  6. Step 6: Final answer
    x = 9,807.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.