Home / 13,000.33-17,940.45-7,031.99

Finding the Fourth Proportional to 13,000.33, 17,940.45 and 7,031.99

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Solution

The fourth proportional to 13,000.33, 17,940.45 and 7,031.99 is: 9,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.33 : 17,940.45 = 7,031.99 : x
  2. Step 2: Convert to fraction form
    13,000.33/17,940.45 = 7,031.99/x
  3. Step 3: Cross multiply
    13,000.33x = 17,940.45 × 7,031.99
  4. Step 4: Simplify right side
    13,000.33x = 126,157,065.00
  5. Step 5: Solve for x
    x = 126,157,065.00/13,000.33
  6. Step 6: Final answer
    x = 9,704.15

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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.