Home / 11,303.33-16,951.54-7,815.75

Finding the Fourth Proportional to 11,303.33, 16,951.54 and 7,815.75

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Solution

The fourth proportional to 11,303.33, 16,951.54 and 7,815.75 is: 11,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.33 : 16,951.54 = 7,815.75 : x
  2. Step 2: Convert to fraction form
    11,303.33/16,951.54 = 7,815.75/x
  3. Step 3: Cross multiply
    11,303.33x = 16,951.54 × 7,815.75
  4. Step 4: Simplify right side
    11,303.33x = 132,489,038.50
  5. Step 5: Solve for x
    x = 132,489,038.50/11,303.33
  6. Step 6: Final answer
    x = 11,721.23

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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.