Home / 11,603.73-17,405.58-4,678.23

Finding the Fourth Proportional to 11,603.73, 17,405.58 and 4,678.23

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Solution

The fourth proportional to 11,603.73, 17,405.58 and 4,678.23 is: 7,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.73 : 17,405.58 = 4,678.23 : x
  2. Step 2: Convert to fraction form
    11,603.73/17,405.58 = 4,678.23/x
  3. Step 3: Cross multiply
    11,603.73x = 17,405.58 × 4,678.23
  4. Step 4: Simplify right side
    11,603.73x = 81,427,306.52
  5. Step 5: Solve for x
    x = 81,427,306.52/11,603.73
  6. Step 6: Final answer
    x = 7,017.34

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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.