Home / 19,340.47-29,018.30-6,861.81

Finding the Fourth Proportional to 19,340.47, 29,018.30 and 6,861.81

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Solution

The fourth proportional to 19,340.47, 29,018.30 and 6,861.81 is: 10,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.47 : 29,018.30 = 6,861.81 : x
  2. Step 2: Convert to fraction form
    19,340.47/29,018.30 = 6,861.81/x
  3. Step 3: Cross multiply
    19,340.47x = 29,018.30 × 6,861.81
  4. Step 4: Simplify right side
    19,340.47x = 199,118,174.23
  5. Step 5: Solve for x
    x = 199,118,174.23/19,340.47
  6. Step 6: Final answer
    x = 10,295.41

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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.