Home / 13,341.84-18,411.66-7,373.85

Finding the Fourth Proportional to 13,341.84, 18,411.66 and 7,373.85

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Solution

The fourth proportional to 13,341.84, 18,411.66 and 7,373.85 is: 10,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.84 : 18,411.66 = 7,373.85 : x
  2. Step 2: Convert to fraction form
    13,341.84/18,411.66 = 7,373.85/x
  3. Step 3: Cross multiply
    13,341.84x = 18,411.66 × 7,373.85
  4. Step 4: Simplify right side
    13,341.84x = 135,764,819.09
  5. Step 5: Solve for x
    x = 135,764,819.09/13,341.84
  6. Step 6: Final answer
    x = 10,175.87

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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.