Home / 18,912.63-26,102.54-14,427.91

Finding the Fourth Proportional to 18,912.63, 26,102.54 and 14,427.91

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Solution

The fourth proportional to 18,912.63, 26,102.54 and 14,427.91 is: 19,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.63 : 26,102.54 = 14,427.91 : x
  2. Step 2: Convert to fraction form
    18,912.63/26,102.54 = 14,427.91/x
  3. Step 3: Cross multiply
    18,912.63x = 26,102.54 × 14,427.91
  4. Step 4: Simplify right side
    18,912.63x = 376,605,097.89
  5. Step 5: Solve for x
    x = 376,605,097.89/18,912.63
  6. Step 6: Final answer
    x = 19,912.89

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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.