Home / 12,342.06-18,501.75-4,545

Finding the Fourth Proportional to 12,342.06, 18,501.75 and 4,545

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Solution

The fourth proportional to 12,342.06, 18,501.75 and 4,545 is: 6,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.06 : 18,501.75 = 4,545 : x
  2. Step 2: Convert to fraction form
    12,342.06/18,501.75 = 4,545/x
  3. Step 3: Cross multiply
    12,342.06x = 18,501.75 × 4,545
  4. Step 4: Simplify right side
    12,342.06x = 84,090,453.75
  5. Step 5: Solve for x
    x = 84,090,453.75/12,342.06
  6. Step 6: Final answer
    x = 6,813.32

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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.