Home / 16,986.57-23,437.68-10,272.05

Finding the Fourth Proportional to 16,986.57, 23,437.68 and 10,272.05

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Solution

The fourth proportional to 16,986.57, 23,437.68 and 10,272.05 is: 14,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.57 : 23,437.68 = 10,272.05 : x
  2. Step 2: Convert to fraction form
    16,986.57/23,437.68 = 10,272.05/x
  3. Step 3: Cross multiply
    16,986.57x = 23,437.68 × 10,272.05
  4. Step 4: Simplify right side
    16,986.57x = 240,753,079.44
  5. Step 5: Solve for x
    x = 240,753,079.44/16,986.57
  6. Step 6: Final answer
    x = 14,173.15

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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.