Home / 18,276.31-25,211.64-12,601.18

Finding the Fourth Proportional to 18,276.31, 25,211.64 and 12,601.18

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Solution

The fourth proportional to 18,276.31, 25,211.64 and 12,601.18 is: 17,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.31 : 25,211.64 = 12,601.18 : x
  2. Step 2: Convert to fraction form
    18,276.31/25,211.64 = 12,601.18/x
  3. Step 3: Cross multiply
    18,276.31x = 25,211.64 × 12,601.18
  4. Step 4: Simplify right side
    18,276.31x = 317,696,413.74
  5. Step 5: Solve for x
    x = 317,696,413.74/18,276.31
  6. Step 6: Final answer
    x = 17,382.96

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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.