Home / 13,744.29-18,967.12-7,456.67

Finding the Fourth Proportional to 13,744.29, 18,967.12 and 7,456.67

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Solution

The fourth proportional to 13,744.29, 18,967.12 and 7,456.67 is: 10,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.29 : 18,967.12 = 7,456.67 : x
  2. Step 2: Convert to fraction form
    13,744.29/18,967.12 = 7,456.67/x
  3. Step 3: Cross multiply
    13,744.29x = 18,967.12 × 7,456.67
  4. Step 4: Simplify right side
    13,744.29x = 141,431,554.69
  5. Step 5: Solve for x
    x = 141,431,554.69/13,744.29
  6. Step 6: Final answer
    x = 10,290.20

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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.