Home / 9,369.90-12,924.45-7,379.64

Finding the Fourth Proportional to 9,369.90, 12,924.45 and 7,379.64

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Solution

The fourth proportional to 9,369.90, 12,924.45 and 7,379.64 is: 10,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.90 : 12,924.45 = 7,379.64 : x
  2. Step 2: Convert to fraction form
    9,369.90/12,924.45 = 7,379.64/x
  3. Step 3: Cross multiply
    9,369.90x = 12,924.45 × 7,379.64
  4. Step 4: Simplify right side
    9,369.90x = 95,377,788.20
  5. Step 5: Solve for x
    x = 95,377,788.20/9,369.90
  6. Step 6: Final answer
    x = 10,179.17

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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.