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Finding the Fourth Proportional to 18,308, 27,460.72 and 9,547.84

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Solution

The fourth proportional to 18,308, 27,460.72 and 9,547.84 is: 14,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308 : 27,460.72 = 9,547.84 : x
  2. Step 2: Convert to fraction form
    18,308/27,460.72 = 9,547.84/x
  3. Step 3: Cross multiply
    18,308x = 27,460.72 × 9,547.84
  4. Step 4: Simplify right side
    18,308x = 262,190,560.84
  5. Step 5: Solve for x
    x = 262,190,560.84/18,308
  6. Step 6: Final answer
    x = 14,321.09

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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.