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Finding the Fourth Proportional to 14,748, 20,352.42 and 8,460.96

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Solution

The fourth proportional to 14,748, 20,352.42 and 8,460.96 is: 11,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748 : 20,352.42 = 8,460.96 : x
  2. Step 2: Convert to fraction form
    14,748/20,352.42 = 8,460.96/x
  3. Step 3: Cross multiply
    14,748x = 20,352.42 × 8,460.96
  4. Step 4: Simplify right side
    14,748x = 172,201,011.52
  5. Step 5: Solve for x
    x = 172,201,011.52/14,748
  6. Step 6: Final answer
    x = 11,676.23

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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.