Home / 19,609.20-29,413.88-4,818.12

Finding the Fourth Proportional to 19,609.20, 29,413.88 and 4,818.12

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Solution

The fourth proportional to 19,609.20, 29,413.88 and 4,818.12 is: 7,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.20 : 29,413.88 = 4,818.12 : x
  2. Step 2: Convert to fraction form
    19,609.20/29,413.88 = 4,818.12/x
  3. Step 3: Cross multiply
    19,609.20x = 29,413.88 × 4,818.12
  4. Step 4: Simplify right side
    19,609.20x = 141,719,603.51
  5. Step 5: Solve for x
    x = 141,719,603.51/19,609.20
  6. Step 6: Final answer
    x = 7,227.20

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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.