Home / 15,620.64-23,436.36-9,770.28

Finding the Fourth Proportional to 15,620.64, 23,436.36 and 9,770.28

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Solution

The fourth proportional to 15,620.64, 23,436.36 and 9,770.28 is: 14,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.64 : 23,436.36 = 9,770.28 : x
  2. Step 2: Convert to fraction form
    15,620.64/23,436.36 = 9,770.28/x
  3. Step 3: Cross multiply
    15,620.64x = 23,436.36 × 9,770.28
  4. Step 4: Simplify right side
    15,620.64x = 228,979,799.38
  5. Step 5: Solve for x
    x = 228,979,799.38/15,620.64
  6. Step 6: Final answer
    x = 14,658.80

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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.