Home / 13,654.76-20,439.14-9,413.19

Finding the Fourth Proportional to 13,654.76, 20,439.14 and 9,413.19

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Solution

The fourth proportional to 13,654.76, 20,439.14 and 9,413.19 is: 14,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.76 : 20,439.14 = 9,413.19 : x
  2. Step 2: Convert to fraction form
    13,654.76/20,439.14 = 9,413.19/x
  3. Step 3: Cross multiply
    13,654.76x = 20,439.14 × 9,413.19
  4. Step 4: Simplify right side
    13,654.76x = 192,397,461.19
  5. Step 5: Solve for x
    x = 192,397,461.19/13,654.76
  6. Step 6: Final answer
    x = 14,090.14

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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.