Home / 12,914.58-19,373.80-5,519

Finding the Fourth Proportional to 12,914.58, 19,373.80 and 5,519

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Solution

The fourth proportional to 12,914.58, 19,373.80 and 5,519 is: 8,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.58 : 19,373.80 = 5,519 : x
  2. Step 2: Convert to fraction form
    12,914.58/19,373.80 = 5,519/x
  3. Step 3: Cross multiply
    12,914.58x = 19,373.80 × 5,519
  4. Step 4: Simplify right side
    12,914.58x = 106,924,002.20
  5. Step 5: Solve for x
    x = 106,924,002.20/12,914.58
  6. Step 6: Final answer
    x = 8,279.32

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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.