Home / 9,705.18-14,554.69-3,129.84

Finding the Fourth Proportional to 9,705.18, 14,554.69 and 3,129.84

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Solution

The fourth proportional to 9,705.18, 14,554.69 and 3,129.84 is: 4,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.18 : 14,554.69 = 3,129.84 : x
  2. Step 2: Convert to fraction form
    9,705.18/14,554.69 = 3,129.84/x
  3. Step 3: Cross multiply
    9,705.18x = 14,554.69 × 3,129.84
  4. Step 4: Simplify right side
    9,705.18x = 45,553,843.13
  5. Step 5: Solve for x
    x = 45,553,843.13/9,705.18
  6. Step 6: Final answer
    x = 4,693.76

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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.