Home / 17,390.40-26,082.88-4,911.36

Finding the Fourth Proportional to 17,390.40, 26,082.88 and 4,911.36

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Solution

The fourth proportional to 17,390.40, 26,082.88 and 4,911.36 is: 7,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.40 : 26,082.88 = 4,911.36 : x
  2. Step 2: Convert to fraction form
    17,390.40/26,082.88 = 4,911.36/x
  3. Step 3: Cross multiply
    17,390.40x = 26,082.88 × 4,911.36
  4. Step 4: Simplify right side
    17,390.40x = 128,102,413.52
  5. Step 5: Solve for x
    x = 128,102,413.52/17,390.40
  6. Step 6: Final answer
    x = 7,366.27

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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.