Home / 21,887.06-32,822.57-7,843.32

Finding the Fourth Proportional to 21,887.06, 32,822.57 and 7,843.32

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Solution

The fourth proportional to 21,887.06, 32,822.57 and 7,843.32 is: 11,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887.06 : 32,822.57 = 7,843.32 : x
  2. Step 2: Convert to fraction form
    21,887.06/32,822.57 = 7,843.32/x
  3. Step 3: Cross multiply
    21,887.06x = 32,822.57 × 7,843.32
  4. Step 4: Simplify right side
    21,887.06x = 257,437,880.52
  5. Step 5: Solve for x
    x = 257,437,880.52/21,887.06
  6. Step 6: Final answer
    x = 11,762.11

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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.