Home / 11,730.32-16,189.45-7,195.71

Finding the Fourth Proportional to 11,730.32, 16,189.45 and 7,195.71

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Solution

The fourth proportional to 11,730.32, 16,189.45 and 7,195.71 is: 9,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.32 : 16,189.45 = 7,195.71 : x
  2. Step 2: Convert to fraction form
    11,730.32/16,189.45 = 7,195.71/x
  3. Step 3: Cross multiply
    11,730.32x = 16,189.45 × 7,195.71
  4. Step 4: Simplify right side
    11,730.32x = 116,494,587.26
  5. Step 5: Solve for x
    x = 116,494,587.26/11,730.32
  6. Step 6: Final answer
    x = 9,931.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.