Home / 12,982.92-19,465.86-6,413.40

Finding the Fourth Proportional to 12,982.92, 19,465.86 and 6,413.40

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Solution

The fourth proportional to 12,982.92, 19,465.86 and 6,413.40 is: 9,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.92 : 19,465.86 = 6,413.40 : x
  2. Step 2: Convert to fraction form
    12,982.92/19,465.86 = 6,413.40/x
  3. Step 3: Cross multiply
    12,982.92x = 19,465.86 × 6,413.40
  4. Step 4: Simplify right side
    12,982.92x = 124,842,346.52
  5. Step 5: Solve for x
    x = 124,842,346.52/12,982.92
  6. Step 6: Final answer
    x = 9,615.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.