Home / 13,254.92-19,887.64-5,461.91

Finding the Fourth Proportional to 13,254.92, 19,887.64 and 5,461.91

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Solution

The fourth proportional to 13,254.92, 19,887.64 and 5,461.91 is: 8,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.92 : 19,887.64 = 5,461.91 : x
  2. Step 2: Convert to fraction form
    13,254.92/19,887.64 = 5,461.91/x
  3. Step 3: Cross multiply
    13,254.92x = 19,887.64 × 5,461.91
  4. Step 4: Simplify right side
    13,254.92x = 108,624,386.70
  5. Step 5: Solve for x
    x = 108,624,386.70/13,254.92
  6. Step 6: Final answer
    x = 8,195.03

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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.