Home / 19,099.40-28,659.56-7,413.08

Finding the Fourth Proportional to 19,099.40, 28,659.56 and 7,413.08

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Solution

The fourth proportional to 19,099.40, 28,659.56 and 7,413.08 is: 11,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.40 : 28,659.56 = 7,413.08 : x
  2. Step 2: Convert to fraction form
    19,099.40/28,659.56 = 7,413.08/x
  3. Step 3: Cross multiply
    19,099.40x = 28,659.56 × 7,413.08
  4. Step 4: Simplify right side
    19,099.40x = 212,455,611.04
  5. Step 5: Solve for x
    x = 212,455,611.04/19,099.40
  6. Step 6: Final answer
    x = 11,123.68

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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.