Home / 16,690.26-23,008.02-12,704.43

Finding the Fourth Proportional to 16,690.26, 23,008.02 and 12,704.43

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Solution

The fourth proportional to 16,690.26, 23,008.02 and 12,704.43 is: 17,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.26 : 23,008.02 = 12,704.43 : x
  2. Step 2: Convert to fraction form
    16,690.26/23,008.02 = 12,704.43/x
  3. Step 3: Cross multiply
    16,690.26x = 23,008.02 × 12,704.43
  4. Step 4: Simplify right side
    16,690.26x = 292,303,779.53
  5. Step 5: Solve for x
    x = 292,303,779.53/16,690.26
  6. Step 6: Final answer
    x = 17,513.43

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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.