Home / 23,486.60-32,413.55-12,878.30

Finding the Fourth Proportional to 23,486.60, 32,413.55 and 12,878.30

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Solution

The fourth proportional to 23,486.60, 32,413.55 and 12,878.30 is: 17,773.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,486.60 : 32,413.55 = 12,878.30 : x
  2. Step 2: Convert to fraction form
    23,486.60/32,413.55 = 12,878.30/x
  3. Step 3: Cross multiply
    23,486.60x = 32,413.55 × 12,878.30
  4. Step 4: Simplify right side
    23,486.60x = 417,431,420.97
  5. Step 5: Solve for x
    x = 417,431,420.97/23,486.60
  6. Step 6: Final answer
    x = 17,773.17

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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.