Home / 18,656.52-27,984.75-12,795.36

Finding the Fourth Proportional to 18,656.52, 27,984.75 and 12,795.36

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Solution

The fourth proportional to 18,656.52, 27,984.75 and 12,795.36 is: 19,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.52 : 27,984.75 = 12,795.36 : x
  2. Step 2: Convert to fraction form
    18,656.52/27,984.75 = 12,795.36/x
  3. Step 3: Cross multiply
    18,656.52x = 27,984.75 × 12,795.36
  4. Step 4: Simplify right side
    18,656.52x = 358,074,950.76
  5. Step 5: Solve for x
    x = 358,074,950.76/18,656.52
  6. Step 6: Final answer
    x = 19,193.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.