Home / 14,057.44-21,073.12-6,665.36

Finding the Fourth Proportional to 14,057.44, 21,073.12 and 6,665.36

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Solution

The fourth proportional to 14,057.44, 21,073.12 and 6,665.36 is: 9,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.44 : 21,073.12 = 6,665.36 : x
  2. Step 2: Convert to fraction form
    14,057.44/21,073.12 = 6,665.36/x
  3. Step 3: Cross multiply
    14,057.44x = 21,073.12 × 6,665.36
  4. Step 4: Simplify right side
    14,057.44x = 140,459,931.12
  5. Step 5: Solve for x
    x = 140,459,931.12/14,057.44
  6. Step 6: Final answer
    x = 9,991.86

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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.