Home / 14,130.20-19,502.16-8,161.04

Finding the Fourth Proportional to 14,130.20, 19,502.16 and 8,161.04

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Solution

The fourth proportional to 14,130.20, 19,502.16 and 8,161.04 is: 11,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.20 : 19,502.16 = 8,161.04 : x
  2. Step 2: Convert to fraction form
    14,130.20/19,502.16 = 8,161.04/x
  3. Step 3: Cross multiply
    14,130.20x = 19,502.16 × 8,161.04
  4. Step 4: Simplify right side
    14,130.20x = 159,157,907.85
  5. Step 5: Solve for x
    x = 159,157,907.85/14,130.20
  6. Step 6: Final answer
    x = 11,263.67

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