Home / 11,782.02-17,672.47-3,461.70

Finding the Fourth Proportional to 11,782.02, 17,672.47 and 3,461.70

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Solution

The fourth proportional to 11,782.02, 17,672.47 and 3,461.70 is: 5,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.02 : 17,672.47 = 3,461.70 : x
  2. Step 2: Convert to fraction form
    11,782.02/17,672.47 = 3,461.70/x
  3. Step 3: Cross multiply
    11,782.02x = 17,672.47 × 3,461.70
  4. Step 4: Simplify right side
    11,782.02x = 61,176,789.40
  5. Step 5: Solve for x
    x = 61,176,789.40/11,782.02
  6. Step 6: Final answer
    x = 5,192.39

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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.