Home / 13,007.90-19,504.65-5,611.10

Finding the Fourth Proportional to 13,007.90, 19,504.65 and 5,611.10

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Solution

The fourth proportional to 13,007.90, 19,504.65 and 5,611.10 is: 8,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.90 : 19,504.65 = 5,611.10 : x
  2. Step 2: Convert to fraction form
    13,007.90/19,504.65 = 5,611.10/x
  3. Step 3: Cross multiply
    13,007.90x = 19,504.65 × 5,611.10
  4. Step 4: Simplify right side
    13,007.90x = 109,442,541.62
  5. Step 5: Solve for x
    x = 109,442,541.62/13,007.90
  6. Step 6: Final answer
    x = 8,413.54

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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.