Home / 9,688.74-14,530.68-4,139.34

Finding the Fourth Proportional to 9,688.74, 14,530.68 and 4,139.34

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Solution

The fourth proportional to 9,688.74, 14,530.68 and 4,139.34 is: 6,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.74 : 14,530.68 = 4,139.34 : x
  2. Step 2: Convert to fraction form
    9,688.74/14,530.68 = 4,139.34/x
  3. Step 3: Cross multiply
    9,688.74x = 14,530.68 × 4,139.34
  4. Step 4: Simplify right side
    9,688.74x = 60,147,424.95
  5. Step 5: Solve for x
    x = 60,147,424.95/9,688.74
  6. Step 6: Final answer
    x = 6,207.97

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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.