Home / 11,284.95-15,557.00-7,917.33

Finding the Fourth Proportional to 11,284.95, 15,557.00 and 7,917.33

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Solution

The fourth proportional to 11,284.95, 15,557.00 and 7,917.33 is: 10,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.95 : 15,557.00 = 7,917.33 : x
  2. Step 2: Convert to fraction form
    11,284.95/15,557.00 = 7,917.33/x
  3. Step 3: Cross multiply
    11,284.95x = 15,557.00 × 7,917.33
  4. Step 4: Simplify right side
    11,284.95x = 123,169,922.60
  5. Step 5: Solve for x
    x = 123,169,922.60/11,284.95
  6. Step 6: Final answer
    x = 10,914.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.