Home / 13,126.64-18,110.22-8,413.52

Finding the Fourth Proportional to 13,126.64, 18,110.22 and 8,413.52

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Solution

The fourth proportional to 13,126.64, 18,110.22 and 8,413.52 is: 11,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.64 : 18,110.22 = 8,413.52 : x
  2. Step 2: Convert to fraction form
    13,126.64/18,110.22 = 8,413.52/x
  3. Step 3: Cross multiply
    13,126.64x = 18,110.22 × 8,413.52
  4. Step 4: Simplify right side
    13,126.64x = 152,370,698.17
  5. Step 5: Solve for x
    x = 152,370,698.17/13,126.64
  6. Step 6: Final answer
    x = 11,607.75

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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.