Home / 16,855.71-23,256.73-10,305.55

Finding the Fourth Proportional to 16,855.71, 23,256.73 and 10,305.55

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Solution

The fourth proportional to 16,855.71, 23,256.73 and 10,305.55 is: 14,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.71 : 23,256.73 = 10,305.55 : x
  2. Step 2: Convert to fraction form
    16,855.71/23,256.73 = 10,305.55/x
  3. Step 3: Cross multiply
    16,855.71x = 23,256.73 × 10,305.55
  4. Step 4: Simplify right side
    16,855.71x = 239,673,393.85
  5. Step 5: Solve for x
    x = 239,673,393.85/16,855.71
  6. Step 6: Final answer
    x = 14,219.12

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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.