Home / 9,893.28-13,646.16-6,160.80

Finding the Fourth Proportional to 9,893.28, 13,646.16 and 6,160.80

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Solution

The fourth proportional to 9,893.28, 13,646.16 and 6,160.80 is: 8,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,893.28 : 13,646.16 = 6,160.80 : x
  2. Step 2: Convert to fraction form
    9,893.28/13,646.16 = 6,160.80/x
  3. Step 3: Cross multiply
    9,893.28x = 13,646.16 × 6,160.80
  4. Step 4: Simplify right side
    9,893.28x = 84,071,262.53
  5. Step 5: Solve for x
    x = 84,071,262.53/9,893.28
  6. Step 6: Final answer
    x = 8,497.81

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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.