Home / 19,618.56-27,059.96-12,902.08

Finding the Fourth Proportional to 19,618.56, 27,059.96 and 12,902.08

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Solution

The fourth proportional to 19,618.56, 27,059.96 and 12,902.08 is: 17,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.56 : 27,059.96 = 12,902.08 : x
  2. Step 2: Convert to fraction form
    19,618.56/27,059.96 = 12,902.08/x
  3. Step 3: Cross multiply
    19,618.56x = 27,059.96 × 12,902.08
  4. Step 4: Simplify right side
    19,618.56x = 349,129,768.72
  5. Step 5: Solve for x
    x = 349,129,768.72/19,618.56
  6. Step 6: Final answer
    x = 17,795.89

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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.