Home / 46,275.76-69,413.64-11,215.42

Finding the Fourth Proportional to 46,275.76, 69,413.64 and 11,215.42

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Solution

The fourth proportional to 46,275.76, 69,413.64 and 11,215.42 is: 16,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,275.76 : 69,413.64 = 11,215.42 : x
  2. Step 2: Convert to fraction form
    46,275.76/69,413.64 = 11,215.42/x
  3. Step 3: Cross multiply
    46,275.76x = 69,413.64 × 11,215.42
  4. Step 4: Simplify right side
    46,275.76x = 778,502,843.67
  5. Step 5: Solve for x
    x = 778,502,843.67/46,275.76
  6. Step 6: Final answer
    x = 16,823.12

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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.