Home / 11,555.02-17,332.56-2,789.92

Finding the Fourth Proportional to 11,555.02, 17,332.56 and 2,789.92

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Solution

The fourth proportional to 11,555.02, 17,332.56 and 2,789.92 is: 4,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.02 : 17,332.56 = 2,789.92 : x
  2. Step 2: Convert to fraction form
    11,555.02/17,332.56 = 2,789.92/x
  3. Step 3: Cross multiply
    11,555.02x = 17,332.56 × 2,789.92
  4. Step 4: Simplify right side
    11,555.02x = 48,356,455.80
  5. Step 5: Solve for x
    x = 48,356,455.80/11,555.02
  6. Step 6: Final answer
    x = 4,184.89

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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.