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Finding the Fourth Proportional to 9,490, 14,217.18 and 8,773.96

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Solution

The fourth proportional to 9,490, 14,217.18 and 8,773.96 is: 13,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490 : 14,217.18 = 8,773.96 : x
  2. Step 2: Convert to fraction form
    9,490/14,217.18 = 8,773.96/x
  3. Step 3: Cross multiply
    9,490x = 14,217.18 × 8,773.96
  4. Step 4: Simplify right side
    9,490x = 124,740,968.63
  5. Step 5: Solve for x
    x = 124,740,968.63/9,490
  6. Step 6: Final answer
    x = 13,144.46

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1.5x scale

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.