Home / 16,990.80-23,452.20-10,276.44

Finding the Fourth Proportional to 16,990.80, 23,452.20 and 10,276.44

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Solution

The fourth proportional to 16,990.80, 23,452.20 and 10,276.44 is: 14,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.80 : 23,452.20 = 10,276.44 : x
  2. Step 2: Convert to fraction form
    16,990.80/23,452.20 = 10,276.44/x
  3. Step 3: Cross multiply
    16,990.80x = 23,452.20 × 10,276.44
  4. Step 4: Simplify right side
    16,990.80x = 241,005,126.17
  5. Step 5: Solve for x
    x = 241,005,126.17/16,990.80
  6. Step 6: Final answer
    x = 14,184.45

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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.