Home / 15,810.06-21,817.44-8,736.33

Finding the Fourth Proportional to 15,810.06, 21,817.44 and 8,736.33

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Solution

The fourth proportional to 15,810.06, 21,817.44 and 8,736.33 is: 12,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.06 : 21,817.44 = 8,736.33 : x
  2. Step 2: Convert to fraction form
    15,810.06/21,817.44 = 8,736.33/x
  3. Step 3: Cross multiply
    15,810.06x = 21,817.44 × 8,736.33
  4. Step 4: Simplify right side
    15,810.06x = 190,604,355.60
  5. Step 5: Solve for x
    x = 190,604,355.60/15,810.06
  6. Step 6: Final answer
    x = 12,055.89

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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.