Home / 9,386.50-12,953.37-5,195.38

Finding the Fourth Proportional to 9,386.50, 12,953.37 and 5,195.38

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Solution

The fourth proportional to 9,386.50, 12,953.37 and 5,195.38 is: 7,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.50 : 12,953.37 = 5,195.38 : x
  2. Step 2: Convert to fraction form
    9,386.50/12,953.37 = 5,195.38/x
  3. Step 3: Cross multiply
    9,386.50x = 12,953.37 × 5,195.38
  4. Step 4: Simplify right side
    9,386.50x = 67,297,679.43
  5. Step 5: Solve for x
    x = 67,297,679.43/9,386.50
  6. Step 6: Final answer
    x = 7,169.62

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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.