Home / 16,784.64-25,185.44-11,885.76

Finding the Fourth Proportional to 16,784.64, 25,185.44 and 11,885.76

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Solution

The fourth proportional to 16,784.64, 25,185.44 and 11,885.76 is: 17,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.64 : 25,185.44 = 11,885.76 : x
  2. Step 2: Convert to fraction form
    16,784.64/25,185.44 = 11,885.76/x
  3. Step 3: Cross multiply
    16,784.64x = 25,185.44 × 11,885.76
  4. Step 4: Simplify right side
    16,784.64x = 299,348,095.33
  5. Step 5: Solve for x
    x = 299,348,095.33/16,784.64
  6. Step 6: Final answer
    x = 17,834.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.