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Finding the Fourth Proportional to 9,430.69, 13,020.05 and 6,246.69

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Solution

The fourth proportional to 9,430.69, 13,020.05 and 6,246.69 is: 8,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.69 : 13,020.05 = 6,246.69 : x
  2. Step 2: Convert to fraction form
    9,430.69/13,020.05 = 6,246.69/x
  3. Step 3: Cross multiply
    9,430.69x = 13,020.05 × 6,246.69
  4. Step 4: Simplify right side
    9,430.69x = 81,332,301.57
  5. Step 5: Solve for x
    x = 81,332,301.57/9,430.69
  6. Step 6: Final answer
    x = 8,624.22

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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.