Home / 15,142.69-22,714.94-4,754.44

Finding the Fourth Proportional to 15,142.69, 22,714.94 and 4,754.44

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Solution

The fourth proportional to 15,142.69, 22,714.94 and 4,754.44 is: 7,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.69 : 22,714.94 = 4,754.44 : x
  2. Step 2: Convert to fraction form
    15,142.69/22,714.94 = 4,754.44/x
  3. Step 3: Cross multiply
    15,142.69x = 22,714.94 × 4,754.44
  4. Step 4: Simplify right side
    15,142.69x = 107,996,774.43
  5. Step 5: Solve for x
    x = 107,996,774.43/15,142.69
  6. Step 6: Final answer
    x = 7,131.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.