Home / 18,272.60-27,413.40-5,124.80

Finding the Fourth Proportional to 18,272.60, 27,413.40 and 5,124.80

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Solution

The fourth proportional to 18,272.60, 27,413.40 and 5,124.80 is: 7,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.60 : 27,413.40 = 5,124.80 : x
  2. Step 2: Convert to fraction form
    18,272.60/27,413.40 = 5,124.80/x
  3. Step 3: Cross multiply
    18,272.60x = 27,413.40 × 5,124.80
  4. Step 4: Simplify right side
    18,272.60x = 140,488,192.32
  5. Step 5: Solve for x
    x = 140,488,192.32/18,272.60
  6. Step 6: Final answer
    x = 7,688.46

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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.