Home / 14,257.10-21,372.68-6,461.66

Finding the Fourth Proportional to 14,257.10, 21,372.68 and 6,461.66

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Solution

The fourth proportional to 14,257.10, 21,372.68 and 6,461.66 is: 9,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.10 : 21,372.68 = 6,461.66 : x
  2. Step 2: Convert to fraction form
    14,257.10/21,372.68 = 6,461.66/x
  3. Step 3: Cross multiply
    14,257.10x = 21,372.68 × 6,461.66
  4. Step 4: Simplify right side
    14,257.10x = 138,102,991.45
  5. Step 5: Solve for x
    x = 138,102,991.45/14,257.10
  6. Step 6: Final answer
    x = 9,686.61

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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.