Home / 14,727.48-21,966.78-12,511.32

Finding the Fourth Proportional to 14,727.48, 21,966.78 and 12,511.32

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Solution

The fourth proportional to 14,727.48, 21,966.78 and 12,511.32 is: 18,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.48 : 21,966.78 = 12,511.32 : x
  2. Step 2: Convert to fraction form
    14,727.48/21,966.78 = 12,511.32/x
  3. Step 3: Cross multiply
    14,727.48x = 21,966.78 × 12,511.32
  4. Step 4: Simplify right side
    14,727.48x = 274,833,413.95
  5. Step 5: Solve for x
    x = 274,833,413.95/14,727.48
  6. Step 6: Final answer
    x = 18,661.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.