Home / 13,079.85-19,614.88-4,757.44

Finding the Fourth Proportional to 13,079.85, 19,614.88 and 4,757.44

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Solution

The fourth proportional to 13,079.85, 19,614.88 and 4,757.44 is: 7,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.85 : 19,614.88 = 4,757.44 : x
  2. Step 2: Convert to fraction form
    13,079.85/19,614.88 = 4,757.44/x
  3. Step 3: Cross multiply
    13,079.85x = 19,614.88 × 4,757.44
  4. Step 4: Simplify right side
    13,079.85x = 93,316,492.85
  5. Step 5: Solve for x
    x = 93,316,492.85/13,079.85
  6. Step 6: Final answer
    x = 7,134.37

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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.