Home / 15,914.23-21,961.60-8,743.00

Finding the Fourth Proportional to 15,914.23, 21,961.60 and 8,743.00

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Solution

The fourth proportional to 15,914.23, 21,961.60 and 8,743.00 is: 12,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.23 : 21,961.60 = 8,743.00 : x
  2. Step 2: Convert to fraction form
    15,914.23/21,961.60 = 8,743.00/x
  3. Step 3: Cross multiply
    15,914.23x = 21,961.60 × 8,743.00
  4. Step 4: Simplify right side
    15,914.23x = 192,010,192.04
  5. Step 5: Solve for x
    x = 192,010,192.04/15,914.23
  6. Step 6: Final answer
    x = 12,065.31

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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.