Home / 11,715.61-16,167.93-6,410.43

Finding the Fourth Proportional to 11,715.61, 16,167.93 and 6,410.43

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Solution

The fourth proportional to 11,715.61, 16,167.93 and 6,410.43 is: 8,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.61 : 16,167.93 = 6,410.43 : x
  2. Step 2: Convert to fraction form
    11,715.61/16,167.93 = 6,410.43/x
  3. Step 3: Cross multiply
    11,715.61x = 16,167.93 × 6,410.43
  4. Step 4: Simplify right side
    11,715.61x = 103,643,383.51
  5. Step 5: Solve for x
    x = 103,643,383.51/11,715.61
  6. Step 6: Final answer
    x = 8,846.61

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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.