Home / 14,457.44-21,676.43-7,428.67

Finding the Fourth Proportional to 14,457.44, 21,676.43 and 7,428.67

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Solution

The fourth proportional to 14,457.44, 21,676.43 and 7,428.67 is: 11,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.44 : 21,676.43 = 7,428.67 : x
  2. Step 2: Convert to fraction form
    14,457.44/21,676.43 = 7,428.67/x
  3. Step 3: Cross multiply
    14,457.44x = 21,676.43 × 7,428.67
  4. Step 4: Simplify right side
    14,457.44x = 161,027,009.63
  5. Step 5: Solve for x
    x = 161,027,009.63/14,457.44
  6. Step 6: Final answer
    x = 11,138.00

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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.