Home / 9,379.72-12,937.62-6,021.16

Finding the Fourth Proportional to 9,379.72, 12,937.62 and 6,021.16

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Solution

The fourth proportional to 9,379.72, 12,937.62 and 6,021.16 is: 8,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.72 : 12,937.62 = 6,021.16 : x
  2. Step 2: Convert to fraction form
    9,379.72/12,937.62 = 6,021.16/x
  3. Step 3: Cross multiply
    9,379.72x = 12,937.62 × 6,021.16
  4. Step 4: Simplify right side
    9,379.72x = 77,899,480.04
  5. Step 5: Solve for x
    x = 77,899,480.04/9,379.72
  6. Step 6: Final answer
    x = 8,305.10

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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.