Home / 8,423.46-11,625.45-7,004.70

Finding the Fourth Proportional to 8,423.46, 11,625.45 and 7,004.70

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Solution

The fourth proportional to 8,423.46, 11,625.45 and 7,004.70 is: 9,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.46 : 11,625.45 = 7,004.70 : x
  2. Step 2: Convert to fraction form
    8,423.46/11,625.45 = 7,004.70/x
  3. Step 3: Cross multiply
    8,423.46x = 11,625.45 × 7,004.70
  4. Step 4: Simplify right side
    8,423.46x = 81,432,789.62
  5. Step 5: Solve for x
    x = 81,432,789.62/8,423.46
  6. Step 6: Final answer
    x = 9,667.38

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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.