Home / 18,930.64-28,413.44-9,577.24

Finding the Fourth Proportional to 18,930.64, 28,413.44 and 9,577.24

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Solution

The fourth proportional to 18,930.64, 28,413.44 and 9,577.24 is: 14,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.64 : 28,413.44 = 9,577.24 : x
  2. Step 2: Convert to fraction form
    18,930.64/28,413.44 = 9,577.24/x
  3. Step 3: Cross multiply
    18,930.64x = 28,413.44 × 9,577.24
  4. Step 4: Simplify right side
    18,930.64x = 272,122,334.11
  5. Step 5: Solve for x
    x = 272,122,334.11/18,930.64
  6. Step 6: Final answer
    x = 14,374.70

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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.