Home / 13,704.71-18,899.66-9,097.34

Finding the Fourth Proportional to 13,704.71, 18,899.66 and 9,097.34

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Solution

The fourth proportional to 13,704.71, 18,899.66 and 9,097.34 is: 12,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.71 : 18,899.66 = 9,097.34 : x
  2. Step 2: Convert to fraction form
    13,704.71/18,899.66 = 9,097.34/x
  3. Step 3: Cross multiply
    13,704.71x = 18,899.66 × 9,097.34
  4. Step 4: Simplify right side
    13,704.71x = 171,936,632.90
  5. Step 5: Solve for x
    x = 171,936,632.90/13,704.71
  6. Step 6: Final answer
    x = 12,545.81

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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.