Home / 13,413.58-18,510.46-7,444.89

Finding the Fourth Proportional to 13,413.58, 18,510.46 and 7,444.89

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Solution

The fourth proportional to 13,413.58, 18,510.46 and 7,444.89 is: 10,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.58 : 18,510.46 = 7,444.89 : x
  2. Step 2: Convert to fraction form
    13,413.58/18,510.46 = 7,444.89/x
  3. Step 3: Cross multiply
    13,413.58x = 18,510.46 × 7,444.89
  4. Step 4: Simplify right side
    13,413.58x = 137,808,319.94
  5. Step 5: Solve for x
    x = 137,808,319.94/13,413.58
  6. Step 6: Final answer
    x = 10,273.79

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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.