Home / 10,891.34-16,329.84-7,182.26

Finding the Fourth Proportional to 10,891.34, 16,329.84 and 7,182.26

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Solution

The fourth proportional to 10,891.34, 16,329.84 and 7,182.26 is: 10,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.34 : 16,329.84 = 7,182.26 : x
  2. Step 2: Convert to fraction form
    10,891.34/16,329.84 = 7,182.26/x
  3. Step 3: Cross multiply
    10,891.34x = 16,329.84 × 7,182.26
  4. Step 4: Simplify right side
    10,891.34x = 117,285,156.64
  5. Step 5: Solve for x
    x = 117,285,156.64/10,891.34
  6. Step 6: Final answer
    x = 10,768.66

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1.5x scale

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.