Home / 13,371.84-18,453.29-7,403.61

Finding the Fourth Proportional to 13,371.84, 18,453.29 and 7,403.61

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Solution

The fourth proportional to 13,371.84, 18,453.29 and 7,403.61 is: 10,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.84 : 18,453.29 = 7,403.61 : x
  2. Step 2: Convert to fraction form
    13,371.84/18,453.29 = 7,403.61/x
  3. Step 3: Cross multiply
    13,371.84x = 18,453.29 × 7,403.61
  4. Step 4: Simplify right side
    13,371.84x = 136,620,994.56
  5. Step 5: Solve for x
    x = 136,620,994.56/13,371.84
  6. Step 6: Final answer
    x = 10,217.07

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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.