Home / 15,535.58-21,413.48-10,992.39

Finding the Fourth Proportional to 15,535.58, 21,413.48 and 10,992.39

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Solution

The fourth proportional to 15,535.58, 21,413.48 and 10,992.39 is: 15,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.58 : 21,413.48 = 10,992.39 : x
  2. Step 2: Convert to fraction form
    15,535.58/21,413.48 = 10,992.39/x
  3. Step 3: Cross multiply
    15,535.58x = 21,413.48 × 10,992.39
  4. Step 4: Simplify right side
    15,535.58x = 235,385,323.42
  5. Step 5: Solve for x
    x = 235,385,323.42/15,535.58
  6. Step 6: Final answer
    x = 15,151.37

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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.