Home / 12,623.46-17,413.80-7,316.34

Finding the Fourth Proportional to 12,623.46, 17,413.80 and 7,316.34

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Solution

The fourth proportional to 12,623.46, 17,413.80 and 7,316.34 is: 10,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.46 : 17,413.80 = 7,316.34 : x
  2. Step 2: Convert to fraction form
    12,623.46/17,413.80 = 7,316.34/x
  3. Step 3: Cross multiply
    12,623.46x = 17,413.80 × 7,316.34
  4. Step 4: Simplify right side
    12,623.46x = 127,405,281.49
  5. Step 5: Solve for x
    x = 127,405,281.49/12,623.46
  6. Step 6: Final answer
    x = 10,092.74

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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.