Home / 14,090.99-19,445.85-8,714.21

Finding the Fourth Proportional to 14,090.99, 19,445.85 and 8,714.21

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Solution

The fourth proportional to 14,090.99, 19,445.85 and 8,714.21 is: 12,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.99 : 19,445.85 = 8,714.21 : x
  2. Step 2: Convert to fraction form
    14,090.99/19,445.85 = 8,714.21/x
  3. Step 3: Cross multiply
    14,090.99x = 19,445.85 × 8,714.21
  4. Step 4: Simplify right side
    14,090.99x = 169,455,123.30
  5. Step 5: Solve for x
    x = 169,455,123.30/14,090.99
  6. Step 6: Final answer
    x = 12,025.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.