Home / 10,238.00-15,358.21-2,842.70

Finding the Fourth Proportional to 10,238.00, 15,358.21 and 2,842.70

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Solution

The fourth proportional to 10,238.00, 15,358.21 and 2,842.70 is: 4,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.00 : 15,358.21 = 2,842.70 : x
  2. Step 2: Convert to fraction form
    10,238.00/15,358.21 = 2,842.70/x
  3. Step 3: Cross multiply
    10,238.00x = 15,358.21 × 2,842.70
  4. Step 4: Simplify right side
    10,238.00x = 43,658,699.67
  5. Step 5: Solve for x
    x = 43,658,699.67/10,238.00
  6. Step 6: Final answer
    x = 4,264.38

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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.