Home / 13,156.20-19,742.08-4,842.05

Finding the Fourth Proportional to 13,156.20, 19,742.08 and 4,842.05

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Solution

The fourth proportional to 13,156.20, 19,742.08 and 4,842.05 is: 7,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.20 : 19,742.08 = 4,842.05 : x
  2. Step 2: Convert to fraction form
    13,156.20/19,742.08 = 4,842.05/x
  3. Step 3: Cross multiply
    13,156.20x = 19,742.08 × 4,842.05
  4. Step 4: Simplify right side
    13,156.20x = 95,592,203.30
  5. Step 5: Solve for x
    x = 95,592,203.30/13,156.20
  6. Step 6: Final answer
    x = 7,265.94

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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.