Home / 10,519.14-14,511.24-9,768.90

Finding the Fourth Proportional to 10,519.14, 14,511.24 and 9,768.90

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Solution

The fourth proportional to 10,519.14, 14,511.24 and 9,768.90 is: 13,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.14 : 14,511.24 = 9,768.90 : x
  2. Step 2: Convert to fraction form
    10,519.14/14,511.24 = 9,768.90/x
  3. Step 3: Cross multiply
    10,519.14x = 14,511.24 × 9,768.90
  4. Step 4: Simplify right side
    10,519.14x = 141,758,852.44
  5. Step 5: Solve for x
    x = 141,758,852.44/10,519.14
  6. Step 6: Final answer
    x = 13,476.28

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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.