Home / 12,320.03-17,001.70-6,731.03

Finding the Fourth Proportional to 12,320.03, 17,001.70 and 6,731.03

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Solution

The fourth proportional to 12,320.03, 17,001.70 and 6,731.03 is: 9,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.03 : 17,001.70 = 6,731.03 : x
  2. Step 2: Convert to fraction form
    12,320.03/17,001.70 = 6,731.03/x
  3. Step 3: Cross multiply
    12,320.03x = 17,001.70 × 6,731.03
  4. Step 4: Simplify right side
    12,320.03x = 114,438,978.43
  5. Step 5: Solve for x
    x = 114,438,978.43/12,320.03
  6. Step 6: Final answer
    x = 9,288.85

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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.