Home / 19,140.64-26,413.52-10,757.28

Finding the Fourth Proportional to 19,140.64, 26,413.52 and 10,757.28

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Solution

The fourth proportional to 19,140.64, 26,413.52 and 10,757.28 is: 14,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.64 : 26,413.52 = 10,757.28 : x
  2. Step 2: Convert to fraction form
    19,140.64/26,413.52 = 10,757.28/x
  3. Step 3: Cross multiply
    19,140.64x = 26,413.52 × 10,757.28
  4. Step 4: Simplify right side
    19,140.64x = 284,137,630.43
  5. Step 5: Solve for x
    x = 284,137,630.43/19,140.64
  6. Step 6: Final answer
    x = 14,844.73

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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.