Home / 14,090.20-21,127.40-9,652.88

Finding the Fourth Proportional to 14,090.20, 21,127.40 and 9,652.88

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Solution

The fourth proportional to 14,090.20, 21,127.40 and 9,652.88 is: 14,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.20 : 21,127.40 = 9,652.88 : x
  2. Step 2: Convert to fraction form
    14,090.20/21,127.40 = 9,652.88/x
  3. Step 3: Cross multiply
    14,090.20x = 21,127.40 × 9,652.88
  4. Step 4: Simplify right side
    14,090.20x = 203,940,256.91
  5. Step 5: Solve for x
    x = 203,940,256.91/14,090.20
  6. Step 6: Final answer
    x = 14,473.91

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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.