Home / 8,423.09-11,624.93-7,004.33

Finding the Fourth Proportional to 8,423.09, 11,624.93 and 7,004.33

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Solution

The fourth proportional to 8,423.09, 11,624.93 and 7,004.33 is: 9,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.09 : 11,624.93 = 7,004.33 : x
  2. Step 2: Convert to fraction form
    8,423.09/11,624.93 = 7,004.33/x
  3. Step 3: Cross multiply
    8,423.09x = 11,624.93 × 7,004.33
  4. Step 4: Simplify right side
    8,423.09x = 81,424,892.52
  5. Step 5: Solve for x
    x = 81,424,892.52/8,423.09
  6. Step 6: Final answer
    x = 9,666.87

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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.