Home / 10,429.76-14,383.68-6,896.64

Finding the Fourth Proportional to 10,429.76, 14,383.68 and 6,896.64

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Solution

The fourth proportional to 10,429.76, 14,383.68 and 6,896.64 is: 9,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.76 : 14,383.68 = 6,896.64 : x
  2. Step 2: Convert to fraction form
    10,429.76/14,383.68 = 6,896.64/x
  3. Step 3: Cross multiply
    10,429.76x = 14,383.68 × 6,896.64
  4. Step 4: Simplify right side
    10,429.76x = 99,199,062.84
  5. Step 5: Solve for x
    x = 99,199,062.84/10,429.76
  6. Step 6: Final answer
    x = 9,511.15

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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.