Home / 13,164.26-18,167.85-7,497.77

Finding the Fourth Proportional to 13,164.26, 18,167.85 and 7,497.77

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Solution

The fourth proportional to 13,164.26, 18,167.85 and 7,497.77 is: 10,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.26 : 18,167.85 = 7,497.77 : x
  2. Step 2: Convert to fraction form
    13,164.26/18,167.85 = 7,497.77/x
  3. Step 3: Cross multiply
    13,164.26x = 18,167.85 × 7,497.77
  4. Step 4: Simplify right side
    13,164.26x = 136,218,269.86
  5. Step 5: Solve for x
    x = 136,218,269.86/13,164.26
  6. Step 6: Final answer
    x = 10,347.59

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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.