Home / 13,315.84-18,376.97-7,348.80

Finding the Fourth Proportional to 13,315.84, 18,376.97 and 7,348.80

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Solution

The fourth proportional to 13,315.84, 18,376.97 and 7,348.80 is: 10,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.84 : 18,376.97 = 7,348.80 : x
  2. Step 2: Convert to fraction form
    13,315.84/18,376.97 = 7,348.80/x
  3. Step 3: Cross multiply
    13,315.84x = 18,376.97 × 7,348.80
  4. Step 4: Simplify right side
    13,315.84x = 135,048,640.39
  5. Step 5: Solve for x
    x = 135,048,640.39/13,315.84
  6. Step 6: Final answer
    x = 10,141.96

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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.