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Finding the Fourth Proportional to 9,553.68, 14,310 and 7,346.16

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Solution

The fourth proportional to 9,553.68, 14,310 and 7,346.16 is: 11,003.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.68 : 14,310 = 7,346.16 : x
  2. Step 2: Convert to fraction form
    9,553.68/14,310 = 7,346.16/x
  3. Step 3: Cross multiply
    9,553.68x = 14,310 × 7,346.16
  4. Step 4: Simplify right side
    9,553.68x = 105,123,549.60
  5. Step 5: Solve for x
    x = 105,123,549.60/9,553.68
  6. Step 6: Final answer
    x = 11,003.46

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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.