Home / 14,701.60-20,287.74-8,413.84

Finding the Fourth Proportional to 14,701.60, 20,287.74 and 8,413.84

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Solution

The fourth proportional to 14,701.60, 20,287.74 and 8,413.84 is: 11,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701.60 : 20,287.74 = 8,413.84 : x
  2. Step 2: Convert to fraction form
    14,701.60/20,287.74 = 8,413.84/x
  3. Step 3: Cross multiply
    14,701.60x = 20,287.74 × 8,413.84
  4. Step 4: Simplify right side
    14,701.60x = 170,697,798.32
  5. Step 5: Solve for x
    x = 170,697,798.32/14,701.60
  6. Step 6: Final answer
    x = 11,610.83

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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.