Home / 14,105.00-19,457.18-8,991.02

Finding the Fourth Proportional to 14,105.00, 19,457.18 and 8,991.02

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Solution

The fourth proportional to 14,105.00, 19,457.18 and 8,991.02 is: 12,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.00 : 19,457.18 = 8,991.02 : x
  2. Step 2: Convert to fraction form
    14,105.00/19,457.18 = 8,991.02/x
  3. Step 3: Cross multiply
    14,105.00x = 19,457.18 × 8,991.02
  4. Step 4: Simplify right side
    14,105.00x = 174,939,898.21
  5. Step 5: Solve for x
    x = 174,939,898.21/14,105.00
  6. Step 6: Final answer
    x = 12,402.68

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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.