Home / 13,744.79-18,983.36-9,260.76

Finding the Fourth Proportional to 13,744.79, 18,983.36 and 9,260.76

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Solution

The fourth proportional to 13,744.79, 18,983.36 and 9,260.76 is: 12,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.79 : 18,983.36 = 9,260.76 : x
  2. Step 2: Convert to fraction form
    13,744.79/18,983.36 = 9,260.76/x
  3. Step 3: Cross multiply
    13,744.79x = 18,983.36 × 9,260.76
  4. Step 4: Simplify right side
    13,744.79x = 175,800,294.65
  5. Step 5: Solve for x
    x = 175,800,294.65/13,744.79
  6. Step 6: Final answer
    x = 12,790.33

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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.