Home / 14,579.10-21,895.05-12,764.70

Finding the Fourth Proportional to 14,579.10, 21,895.05 and 12,764.70

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Solution

The fourth proportional to 14,579.10, 21,895.05 and 12,764.70 is: 19,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.10 : 21,895.05 = 12,764.70 : x
  2. Step 2: Convert to fraction form
    14,579.10/21,895.05 = 12,764.70/x
  3. Step 3: Cross multiply
    14,579.10x = 21,895.05 × 12,764.70
  4. Step 4: Simplify right side
    14,579.10x = 279,483,744.74
  5. Step 5: Solve for x
    x = 279,483,744.74/14,579.10
  6. Step 6: Final answer
    x = 19,170.16

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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.