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Finding the Fourth Proportional to 23,148, 34,714.80 and 8,354.98

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Solution

The fourth proportional to 23,148, 34,714.80 and 8,354.98 is: 12,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148 : 34,714.80 = 8,354.98 : x
  2. Step 2: Convert to fraction form
    23,148/34,714.80 = 8,354.98/x
  3. Step 3: Cross multiply
    23,148x = 34,714.80 × 8,354.98
  4. Step 4: Simplify right side
    23,148x = 290,041,459.70
  5. Step 5: Solve for x
    x = 290,041,459.70/23,148
  6. Step 6: Final answer
    x = 12,529.87

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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.