Home / 21,224.37-29,287.92-12,272.46

Finding the Fourth Proportional to 21,224.37, 29,287.92 and 12,272.46

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Solution

The fourth proportional to 21,224.37, 29,287.92 and 12,272.46 is: 16,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.37 : 29,287.92 = 12,272.46 : x
  2. Step 2: Convert to fraction form
    21,224.37/29,287.92 = 12,272.46/x
  3. Step 3: Cross multiply
    21,224.37x = 29,287.92 × 12,272.46
  4. Step 4: Simplify right side
    21,224.37x = 359,434,680.24
  5. Step 5: Solve for x
    x = 359,434,680.24/21,224.37
  6. Step 6: Final answer
    x = 16,935.00

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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.