Home / 16,829.36-23,180.76-12,811.76

Finding the Fourth Proportional to 16,829.36, 23,180.76 and 12,811.76

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Solution

The fourth proportional to 16,829.36, 23,180.76 and 12,811.76 is: 17,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,829.36 : 23,180.76 = 12,811.76 : x
  2. Step 2: Convert to fraction form
    16,829.36/23,180.76 = 12,811.76/x
  3. Step 3: Cross multiply
    16,829.36x = 23,180.76 × 12,811.76
  4. Step 4: Simplify right side
    16,829.36x = 296,986,333.74
  5. Step 5: Solve for x
    x = 296,986,333.74/16,829.36
  6. Step 6: Final answer
    x = 17,646.92

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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.