Home / 14,147.85-21,225.42-5,377.98

Finding the Fourth Proportional to 14,147.85, 21,225.42 and 5,377.98

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Solution

The fourth proportional to 14,147.85, 21,225.42 and 5,377.98 is: 8,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.85 : 21,225.42 = 5,377.98 : x
  2. Step 2: Convert to fraction form
    14,147.85/21,225.42 = 5,377.98/x
  3. Step 3: Cross multiply
    14,147.85x = 21,225.42 × 5,377.98
  4. Step 4: Simplify right side
    14,147.85x = 114,149,884.25
  5. Step 5: Solve for x
    x = 114,149,884.25/14,147.85
  6. Step 6: Final answer
    x = 8,068.36

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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.