Home / 16,966.18-23,413.62-9,412.57

Finding the Fourth Proportional to 16,966.18, 23,413.62 and 9,412.57

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Solution

The fourth proportional to 16,966.18, 23,413.62 and 9,412.57 is: 12,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.18 : 23,413.62 = 9,412.57 : x
  2. Step 2: Convert to fraction form
    16,966.18/23,413.62 = 9,412.57/x
  3. Step 3: Cross multiply
    16,966.18x = 23,413.62 × 9,412.57
  4. Step 4: Simplify right side
    16,966.18x = 220,382,337.20
  5. Step 5: Solve for x
    x = 220,382,337.20/16,966.18
  6. Step 6: Final answer
    x = 12,989.51

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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.