Home / 11,506.86-17,238.42-7,798.68

Finding the Fourth Proportional to 11,506.86, 17,238.42 and 7,798.68

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Solution

The fourth proportional to 11,506.86, 17,238.42 and 7,798.68 is: 11,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506.86 : 17,238.42 = 7,798.68 : x
  2. Step 2: Convert to fraction form
    11,506.86/17,238.42 = 7,798.68/x
  3. Step 3: Cross multiply
    11,506.86x = 17,238.42 × 7,798.68
  4. Step 4: Simplify right side
    11,506.86x = 134,436,921.29
  5. Step 5: Solve for x
    x = 134,436,921.29/11,506.86
  6. Step 6: Final answer
    x = 11,683.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.