Home / 21,432.06-29,578.07-12,482.37

Finding the Fourth Proportional to 21,432.06, 29,578.07 and 12,482.37

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Solution

The fourth proportional to 21,432.06, 29,578.07 and 12,482.37 is: 17,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432.06 : 29,578.07 = 12,482.37 : x
  2. Step 2: Convert to fraction form
    21,432.06/29,578.07 = 12,482.37/x
  3. Step 3: Cross multiply
    21,432.06x = 29,578.07 × 12,482.37
  4. Step 4: Simplify right side
    21,432.06x = 369,204,413.63
  5. Step 5: Solve for x
    x = 369,204,413.63/21,432.06
  6. Step 6: Final answer
    x = 17,226.73

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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.