Home / 11,345.62-15,651.20-7,368.94

Finding the Fourth Proportional to 11,345.62, 15,651.20 and 7,368.94

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Solution

The fourth proportional to 11,345.62, 15,651.20 and 7,368.94 is: 10,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.62 : 15,651.20 = 7,368.94 : x
  2. Step 2: Convert to fraction form
    11,345.62/15,651.20 = 7,368.94/x
  3. Step 3: Cross multiply
    11,345.62x = 15,651.20 × 7,368.94
  4. Step 4: Simplify right side
    11,345.62x = 115,332,753.73
  5. Step 5: Solve for x
    x = 115,332,753.73/11,345.62
  6. Step 6: Final answer
    x = 10,165.40

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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.