Home / 13,463.92-18,581.25-7,800.49

Finding the Fourth Proportional to 13,463.92, 18,581.25 and 7,800.49

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Solution

The fourth proportional to 13,463.92, 18,581.25 and 7,800.49 is: 10,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.92 : 18,581.25 = 7,800.49 : x
  2. Step 2: Convert to fraction form
    13,463.92/18,581.25 = 7,800.49/x
  3. Step 3: Cross multiply
    13,463.92x = 18,581.25 × 7,800.49
  4. Step 4: Simplify right side
    13,463.92x = 144,942,854.81
  5. Step 5: Solve for x
    x = 144,942,854.81/13,463.92
  6. Step 6: Final answer
    x = 10,765.28

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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.