Home / 13,524.21-18,663.07-7,555.92

Finding the Fourth Proportional to 13,524.21, 18,663.07 and 7,555.92

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Solution

The fourth proportional to 13,524.21, 18,663.07 and 7,555.92 is: 10,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.21 : 18,663.07 = 7,555.92 : x
  2. Step 2: Convert to fraction form
    13,524.21/18,663.07 = 7,555.92/x
  3. Step 3: Cross multiply
    13,524.21x = 18,663.07 × 7,555.92
  4. Step 4: Simplify right side
    13,524.21x = 141,016,714.97
  5. Step 5: Solve for x
    x = 141,016,714.97/13,524.21
  6. Step 6: Final answer
    x = 10,426.98

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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.