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Finding the Fourth Proportional to 19,848, 29,772 and 8,904

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Solution

The fourth proportional to 19,848, 29,772 and 8,904 is: 13,356

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848 : 29,772 = 8,904 : x
  2. Step 2: Convert to fraction form
    19,848/29,772 = 8,904/x
  3. Step 3: Cross multiply
    19,848x = 29,772 × 8,904
  4. Step 4: Simplify right side
    19,848x = 265,089,888
  5. Step 5: Solve for x
    x = 265,089,888/19,848
  6. Step 6: Final answer
    x = 13,356

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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.