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Finding the Fourth Proportional to 19,630, 29,405.58 and 9,739.36

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Solution

The fourth proportional to 19,630, 29,405.58 and 9,739.36 is: 14,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630 : 29,405.58 = 9,739.36 : x
  2. Step 2: Convert to fraction form
    19,630/29,405.58 = 9,739.36/x
  3. Step 3: Cross multiply
    19,630x = 29,405.58 × 9,739.36
  4. Step 4: Simplify right side
    19,630x = 286,391,529.63
  5. Step 5: Solve for x
    x = 286,391,529.63/19,630
  6. Step 6: Final answer
    x = 14,589.48

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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.