Home / 9,421.43-12,998.91-6,066.19

Finding the Fourth Proportional to 9,421.43, 12,998.91 and 6,066.19

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Solution

The fourth proportional to 9,421.43, 12,998.91 and 6,066.19 is: 8,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.43 : 12,998.91 = 6,066.19 : x
  2. Step 2: Convert to fraction form
    9,421.43/12,998.91 = 6,066.19/x
  3. Step 3: Cross multiply
    9,421.43x = 12,998.91 × 6,066.19
  4. Step 4: Simplify right side
    9,421.43x = 78,853,792.86
  5. Step 5: Solve for x
    x = 78,853,792.86/9,421.43
  6. Step 6: Final answer
    x = 8,369.62

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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.