Home / 12,446.69-17,178.55-7,413.75

Finding the Fourth Proportional to 12,446.69, 17,178.55 and 7,413.75

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Solution

The fourth proportional to 12,446.69, 17,178.55 and 7,413.75 is: 10,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.69 : 17,178.55 = 7,413.75 : x
  2. Step 2: Convert to fraction form
    12,446.69/17,178.55 = 7,413.75/x
  3. Step 3: Cross multiply
    12,446.69x = 17,178.55 × 7,413.75
  4. Step 4: Simplify right side
    12,446.69x = 127,357,456.53
  5. Step 5: Solve for x
    x = 127,357,456.53/12,446.69
  6. Step 6: Final answer
    x = 10,232.24

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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.