Home / 21,963.09-30,311.24-12,533.07

Finding the Fourth Proportional to 21,963.09, 30,311.24 and 12,533.07

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Solution

The fourth proportional to 21,963.09, 30,311.24 and 12,533.07 is: 17,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963.09 : 30,311.24 = 12,533.07 : x
  2. Step 2: Convert to fraction form
    21,963.09/30,311.24 = 12,533.07/x
  3. Step 3: Cross multiply
    21,963.09x = 30,311.24 × 12,533.07
  4. Step 4: Simplify right side
    21,963.09x = 379,892,830.04
  5. Step 5: Solve for x
    x = 379,892,830.04/21,963.09
  6. Step 6: Final answer
    x = 17,296.88

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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.