Home / 11,899.01-16,413.21-7,655.60

Finding the Fourth Proportional to 11,899.01, 16,413.21 and 7,655.60

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Solution

The fourth proportional to 11,899.01, 16,413.21 and 7,655.60 is: 10,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.01 : 16,413.21 = 7,655.60 : x
  2. Step 2: Convert to fraction form
    11,899.01/16,413.21 = 7,655.60/x
  3. Step 3: Cross multiply
    11,899.01x = 16,413.21 × 7,655.60
  4. Step 4: Simplify right side
    11,899.01x = 125,652,966.90
  5. Step 5: Solve for x
    x = 125,652,966.90/11,899.01
  6. Step 6: Final answer
    x = 10,559.95

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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.