Home / 14,644.75-20,213.40-8,360.77

Finding the Fourth Proportional to 14,644.75, 20,213.40 and 8,360.77

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Solution

The fourth proportional to 14,644.75, 20,213.40 and 8,360.77 is: 11,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.75 : 20,213.40 = 8,360.77 : x
  2. Step 2: Convert to fraction form
    14,644.75/20,213.40 = 8,360.77/x
  3. Step 3: Cross multiply
    14,644.75x = 20,213.40 × 8,360.77
  4. Step 4: Simplify right side
    14,644.75x = 168,999,588.32
  5. Step 5: Solve for x
    x = 168,999,588.32/14,644.75
  6. Step 6: Final answer
    x = 11,539.94

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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.