Home / 20,255.37-27,953.81-11,304.63

Finding the Fourth Proportional to 20,255.37, 27,953.81 and 11,304.63

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Solution

The fourth proportional to 20,255.37, 27,953.81 and 11,304.63 is: 15,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.37 : 27,953.81 = 11,304.63 : x
  2. Step 2: Convert to fraction form
    20,255.37/27,953.81 = 11,304.63/x
  3. Step 3: Cross multiply
    20,255.37x = 27,953.81 × 11,304.63
  4. Step 4: Simplify right side
    20,255.37x = 316,007,465.01
  5. Step 5: Solve for x
    x = 316,007,465.01/20,255.37
  6. Step 6: Final answer
    x = 15,601.17

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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.