Home / 16,672.40-23,016.27-12,887.00

Finding the Fourth Proportional to 16,672.40, 23,016.27 and 12,887.00

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Solution

The fourth proportional to 16,672.40, 23,016.27 and 12,887.00 is: 17,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.40 : 23,016.27 = 12,887.00 : x
  2. Step 2: Convert to fraction form
    16,672.40/23,016.27 = 12,887.00/x
  3. Step 3: Cross multiply
    16,672.40x = 23,016.27 × 12,887.00
  4. Step 4: Simplify right side
    16,672.40x = 296,610,618.56
  5. Step 5: Solve for x
    x = 296,610,618.56/16,672.40
  6. Step 6: Final answer
    x = 17,790.52

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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.