Home / 15,517.03-21,413.59-8,443.50

Finding the Fourth Proportional to 15,517.03, 21,413.59 and 8,443.50

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Solution

The fourth proportional to 15,517.03, 21,413.59 and 8,443.50 is: 11,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.03 : 21,413.59 = 8,443.50 : x
  2. Step 2: Convert to fraction form
    15,517.03/21,413.59 = 8,443.50/x
  3. Step 3: Cross multiply
    15,517.03x = 21,413.59 × 8,443.50
  4. Step 4: Simplify right side
    15,517.03x = 180,805,647.17
  5. Step 5: Solve for x
    x = 180,805,647.17/15,517.03
  6. Step 6: Final answer
    x = 11,652.08

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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.