Home / 13,453.76-18,535.92-10,091.32

Finding the Fourth Proportional to 13,453.76, 18,535.92 and 10,091.32

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Solution

The fourth proportional to 13,453.76, 18,535.92 and 10,091.32 is: 13,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.76 : 18,535.92 = 10,091.32 : x
  2. Step 2: Convert to fraction form
    13,453.76/18,535.92 = 10,091.32/x
  3. Step 3: Cross multiply
    13,453.76x = 18,535.92 × 10,091.32
  4. Step 4: Simplify right side
    13,453.76x = 187,051,900.21
  5. Step 5: Solve for x
    x = 187,051,900.21/13,453.76
  6. Step 6: Final answer
    x = 13,903.32

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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.