Home / 16,828.32-23,219.33-9,657.79

Finding the Fourth Proportional to 16,828.32, 23,219.33 and 9,657.79

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Solution

The fourth proportional to 16,828.32, 23,219.33 and 9,657.79 is: 13,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.32 : 23,219.33 = 9,657.79 : x
  2. Step 2: Convert to fraction form
    16,828.32/23,219.33 = 9,657.79/x
  3. Step 3: Cross multiply
    16,828.32x = 23,219.33 × 9,657.79
  4. Step 4: Simplify right side
    16,828.32x = 224,247,413.08
  5. Step 5: Solve for x
    x = 224,247,413.08/16,828.32
  6. Step 6: Final answer
    x = 13,325.60

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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.