Home / 13,936.67-19,219.88-9,154.69

Finding the Fourth Proportional to 13,936.67, 19,219.88 and 9,154.69

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Solution

The fourth proportional to 13,936.67, 19,219.88 and 9,154.69 is: 12,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.67 : 19,219.88 = 9,154.69 : x
  2. Step 2: Convert to fraction form
    13,936.67/19,219.88 = 9,154.69/x
  3. Step 3: Cross multiply
    13,936.67x = 19,219.88 × 9,154.69
  4. Step 4: Simplify right side
    13,936.67x = 175,952,121.04
  5. Step 5: Solve for x
    x = 175,952,121.04/13,936.67
  6. Step 6: Final answer
    x = 12,625.12

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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.