Home / 19,413.64-26,790.24-10,915.84

Finding the Fourth Proportional to 19,413.64, 26,790.24 and 10,915.84

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Solution

The fourth proportional to 19,413.64, 26,790.24 and 10,915.84 is: 15,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.64 : 26,790.24 = 10,915.84 : x
  2. Step 2: Convert to fraction form
    19,413.64/26,790.24 = 10,915.84/x
  3. Step 3: Cross multiply
    19,413.64x = 26,790.24 × 10,915.84
  4. Step 4: Simplify right side
    19,413.64x = 292,437,973.40
  5. Step 5: Solve for x
    x = 292,437,973.40/19,413.64
  6. Step 6: Final answer
    x = 15,063.53

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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.