Home / 11,805.30-16,288.02-7,329.24

Finding the Fourth Proportional to 11,805.30, 16,288.02 and 7,329.24

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Solution

The fourth proportional to 11,805.30, 16,288.02 and 7,329.24 is: 10,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.30 : 16,288.02 = 7,329.24 : x
  2. Step 2: Convert to fraction form
    11,805.30/16,288.02 = 7,329.24/x
  3. Step 3: Cross multiply
    11,805.30x = 16,288.02 × 7,329.24
  4. Step 4: Simplify right side
    11,805.30x = 119,378,807.70
  5. Step 5: Solve for x
    x = 119,378,807.70/11,805.30
  6. Step 6: Final answer
    x = 10,112.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.