Home / 14,579.22-21,861.27-5,215.62

Finding the Fourth Proportional to 14,579.22, 21,861.27 and 5,215.62

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Solution

The fourth proportional to 14,579.22, 21,861.27 and 5,215.62 is: 7,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.22 : 21,861.27 = 5,215.62 : x
  2. Step 2: Convert to fraction form
    14,579.22/21,861.27 = 5,215.62/x
  3. Step 3: Cross multiply
    14,579.22x = 21,861.27 × 5,215.62
  4. Step 4: Simplify right side
    14,579.22x = 114,020,077.04
  5. Step 5: Solve for x
    x = 114,020,077.04/14,579.22
  6. Step 6: Final answer
    x = 7,820.73

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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.