Home / 12,160.24-16,781.52-6,855.52

Finding the Fourth Proportional to 12,160.24, 16,781.52 and 6,855.52

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Solution

The fourth proportional to 12,160.24, 16,781.52 and 6,855.52 is: 9,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.24 : 16,781.52 = 6,855.52 : x
  2. Step 2: Convert to fraction form
    12,160.24/16,781.52 = 6,855.52/x
  3. Step 3: Cross multiply
    12,160.24x = 16,781.52 × 6,855.52
  4. Step 4: Simplify right side
    12,160.24x = 115,046,045.99
  5. Step 5: Solve for x
    x = 115,046,045.99/12,160.24
  6. Step 6: Final answer
    x = 9,460.84

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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.