Home / 13,301.67-19,950.98-3,440.19

Finding the Fourth Proportional to 13,301.67, 19,950.98 and 3,440.19

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Solution

The fourth proportional to 13,301.67, 19,950.98 and 3,440.19 is: 5,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.67 : 19,950.98 = 3,440.19 : x
  2. Step 2: Convert to fraction form
    13,301.67/19,950.98 = 3,440.19/x
  3. Step 3: Cross multiply
    13,301.67x = 19,950.98 × 3,440.19
  4. Step 4: Simplify right side
    13,301.67x = 68,635,144.69
  5. Step 5: Solve for x
    x = 68,635,144.69/13,301.67
  6. Step 6: Final answer
    x = 5,159.89

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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.