Home / 14,108.08-21,143.90-6,714.81

Finding the Fourth Proportional to 14,108.08, 21,143.90 and 6,714.81

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Solution

The fourth proportional to 14,108.08, 21,143.90 and 6,714.81 is: 10,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.08 : 21,143.90 = 6,714.81 : x
  2. Step 2: Convert to fraction form
    14,108.08/21,143.90 = 6,714.81/x
  3. Step 3: Cross multiply
    14,108.08x = 21,143.90 × 6,714.81
  4. Step 4: Simplify right side
    14,108.08x = 141,977,131.87
  5. Step 5: Solve for x
    x = 141,977,131.87/14,108.08
  6. Step 6: Final answer
    x = 10,063.53

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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.