Home / 13,156.45-19,742.46-4,842.30

Finding the Fourth Proportional to 13,156.45, 19,742.46 and 4,842.30

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Solution

The fourth proportional to 13,156.45, 19,742.46 and 4,842.30 is: 7,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.45 : 19,742.46 = 4,842.30 : x
  2. Step 2: Convert to fraction form
    13,156.45/19,742.46 = 4,842.30/x
  3. Step 3: Cross multiply
    13,156.45x = 19,742.46 × 4,842.30
  4. Step 4: Simplify right side
    13,156.45x = 95,598,939.20
  5. Step 5: Solve for x
    x = 95,598,939.20/13,156.45
  6. Step 6: Final answer
    x = 7,266.32

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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.