Home / 13,242.38-19,866.98-4,922.66

Finding the Fourth Proportional to 13,242.38, 19,866.98 and 4,922.66

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Solution

The fourth proportional to 13,242.38, 19,866.98 and 4,922.66 is: 7,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.38 : 19,866.98 = 4,922.66 : x
  2. Step 2: Convert to fraction form
    13,242.38/19,866.98 = 4,922.66/x
  3. Step 3: Cross multiply
    13,242.38x = 19,866.98 × 4,922.66
  4. Step 4: Simplify right side
    13,242.38x = 97,798,449.74
  5. Step 5: Solve for x
    x = 97,798,449.74/13,242.38
  6. Step 6: Final answer
    x = 7,385.27

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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.