Home / 14,454.45-21,686.04-6,861.56

Finding the Fourth Proportional to 14,454.45, 21,686.04 and 6,861.56

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Solution

The fourth proportional to 14,454.45, 21,686.04 and 6,861.56 is: 10,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.45 : 21,686.04 = 6,861.56 : x
  2. Step 2: Convert to fraction form
    14,454.45/21,686.04 = 6,861.56/x
  3. Step 3: Cross multiply
    14,454.45x = 21,686.04 × 6,861.56
  4. Step 4: Simplify right side
    14,454.45x = 148,799,921.88
  5. Step 5: Solve for x
    x = 148,799,921.88/14,454.45
  6. Step 6: Final answer
    x = 10,294.41

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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.