Home / 13,001.55-17,942.31-7,336.58

Finding the Fourth Proportional to 13,001.55, 17,942.31 and 7,336.58

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Solution

The fourth proportional to 13,001.55, 17,942.31 and 7,336.58 is: 10,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.55 : 17,942.31 = 7,336.58 : x
  2. Step 2: Convert to fraction form
    13,001.55/17,942.31 = 7,336.58/x
  3. Step 3: Cross multiply
    13,001.55x = 17,942.31 × 7,336.58
  4. Step 4: Simplify right side
    13,001.55x = 131,635,102.99
  5. Step 5: Solve for x
    x = 131,635,102.99/13,001.55
  6. Step 6: Final answer
    x = 10,124.57

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1.5x scale

Why These Related Problems?

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