Home / 13,702.25-20,553.03-4,340.99

Finding the Fourth Proportional to 13,702.25, 20,553.03 and 4,340.99

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Solution

The fourth proportional to 13,702.25, 20,553.03 and 4,340.99 is: 6,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.25 : 20,553.03 = 4,340.99 : x
  2. Step 2: Convert to fraction form
    13,702.25/20,553.03 = 4,340.99/x
  3. Step 3: Cross multiply
    13,702.25x = 20,553.03 × 4,340.99
  4. Step 4: Simplify right side
    13,702.25x = 89,220,549.08
  5. Step 5: Solve for x
    x = 89,220,549.08/13,702.25
  6. Step 6: Final answer
    x = 6,511.38

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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.