Home / 14,702.85-20,289.21-8,329.27

Finding the Fourth Proportional to 14,702.85, 20,289.21 and 8,329.27

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Solution

The fourth proportional to 14,702.85, 20,289.21 and 8,329.27 is: 11,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.85 : 20,289.21 = 8,329.27 : x
  2. Step 2: Convert to fraction form
    14,702.85/20,289.21 = 8,329.27/x
  3. Step 3: Cross multiply
    14,702.85x = 20,289.21 × 8,329.27
  4. Step 4: Simplify right side
    14,702.85x = 168,994,308.18
  5. Step 5: Solve for x
    x = 168,994,308.18/14,702.85
  6. Step 6: Final answer
    x = 11,493.98

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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.