Home / 18,457.20-25,462.08-13,413.60

Finding the Fourth Proportional to 18,457.20, 25,462.08 and 13,413.60

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Solution

The fourth proportional to 18,457.20, 25,462.08 and 13,413.60 is: 18,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.20 : 25,462.08 = 13,413.60 : x
  2. Step 2: Convert to fraction form
    18,457.20/25,462.08 = 13,413.60/x
  3. Step 3: Cross multiply
    18,457.20x = 25,462.08 × 13,413.60
  4. Step 4: Simplify right side
    18,457.20x = 341,538,156.29
  5. Step 5: Solve for x
    x = 341,538,156.29/18,457.20
  6. Step 6: Final answer
    x = 18,504.33

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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.