Home / 10,820.96-14,936.16-6,345.92

Finding the Fourth Proportional to 10,820.96, 14,936.16 and 6,345.92

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Solution

The fourth proportional to 10,820.96, 14,936.16 and 6,345.92 is: 8,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.96 : 14,936.16 = 6,345.92 : x
  2. Step 2: Convert to fraction form
    10,820.96/14,936.16 = 6,345.92/x
  3. Step 3: Cross multiply
    10,820.96x = 14,936.16 × 6,345.92
  4. Step 4: Simplify right side
    10,820.96x = 94,783,676.47
  5. Step 5: Solve for x
    x = 94,783,676.47/10,820.96
  6. Step 6: Final answer
    x = 8,759.27

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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.