Home / 19,413.84-26,783.48-10,914

Finding the Fourth Proportional to 19,413.84, 26,783.48 and 10,914

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Solution

The fourth proportional to 19,413.84, 26,783.48 and 10,914 is: 15,057.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.84 : 26,783.48 = 10,914 : x
  2. Step 2: Convert to fraction form
    19,413.84/26,783.48 = 10,914/x
  3. Step 3: Cross multiply
    19,413.84x = 26,783.48 × 10,914
  4. Step 4: Simplify right side
    19,413.84x = 292,314,900.72
  5. Step 5: Solve for x
    x = 292,314,900.72/19,413.84
  6. Step 6: Final answer
    x = 15,057.04

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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.