Home / 14,165.57-21,250.79-4,305.85

Finding the Fourth Proportional to 14,165.57, 21,250.79 and 4,305.85

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Solution

The fourth proportional to 14,165.57, 21,250.79 and 4,305.85 is: 6,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.57 : 21,250.79 = 4,305.85 : x
  2. Step 2: Convert to fraction form
    14,165.57/21,250.79 = 4,305.85/x
  3. Step 3: Cross multiply
    14,165.57x = 21,250.79 × 4,305.85
  4. Step 4: Simplify right side
    14,165.57x = 91,502,714.12
  5. Step 5: Solve for x
    x = 91,502,714.12/14,165.57
  6. Step 6: Final answer
    x = 6,459.52

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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.