Home / 18,256.74-27,261.90-18,063.78

Finding the Fourth Proportional to 18,256.74, 27,261.90 and 18,063.78

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Solution

The fourth proportional to 18,256.74, 27,261.90 and 18,063.78 is: 26,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.74 : 27,261.90 = 18,063.78 : x
  2. Step 2: Convert to fraction form
    18,256.74/27,261.90 = 18,063.78/x
  3. Step 3: Cross multiply
    18,256.74x = 27,261.90 × 18,063.78
  4. Step 4: Simplify right side
    18,256.74x = 492,452,963.98
  5. Step 5: Solve for x
    x = 492,452,963.98/18,256.74
  6. Step 6: Final answer
    x = 26,973.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.