Home / 13,313.67-19,943.77-6,630.03

Finding the Fourth Proportional to 13,313.67, 19,943.77 and 6,630.03

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Solution

The fourth proportional to 13,313.67, 19,943.77 and 6,630.03 is: 9,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.67 : 19,943.77 = 6,630.03 : x
  2. Step 2: Convert to fraction form
    13,313.67/19,943.77 = 6,630.03/x
  3. Step 3: Cross multiply
    13,313.67x = 19,943.77 × 6,630.03
  4. Step 4: Simplify right side
    13,313.67x = 132,227,660.54
  5. Step 5: Solve for x
    x = 132,227,660.54/13,313.67
  6. Step 6: Final answer
    x = 9,931.73

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1.5x scale

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.