Home / 16,881.12-25,284.06-11,935.80

Finding the Fourth Proportional to 16,881.12, 25,284.06 and 11,935.80

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Solution

The fourth proportional to 16,881.12, 25,284.06 and 11,935.80 is: 17,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.12 : 25,284.06 = 11,935.80 : x
  2. Step 2: Convert to fraction form
    16,881.12/25,284.06 = 11,935.80/x
  3. Step 3: Cross multiply
    16,881.12x = 25,284.06 × 11,935.80
  4. Step 4: Simplify right side
    16,881.12x = 301,785,483.35
  5. Step 5: Solve for x
    x = 301,785,483.35/16,881.12
  6. Step 6: Final answer
    x = 17,877.10

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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.