Home / 12,520.23-18,753.05-6,269.34

Finding the Fourth Proportional to 12,520.23, 18,753.05 and 6,269.34

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Solution

The fourth proportional to 12,520.23, 18,753.05 and 6,269.34 is: 9,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520.23 : 18,753.05 = 6,269.34 : x
  2. Step 2: Convert to fraction form
    12,520.23/18,753.05 = 6,269.34/x
  3. Step 3: Cross multiply
    12,520.23x = 18,753.05 × 6,269.34
  4. Step 4: Simplify right side
    12,520.23x = 117,569,168.26
  5. Step 5: Solve for x
    x = 117,569,168.26/12,520.23
  6. Step 6: Final answer
    x = 9,390.34

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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.