Home / 11,235.24-15,495.30-8,435.88

Finding the Fourth Proportional to 11,235.24, 15,495.30 and 8,435.88

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Solution

The fourth proportional to 11,235.24, 15,495.30 and 8,435.88 is: 11,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.24 : 15,495.30 = 8,435.88 : x
  2. Step 2: Convert to fraction form
    11,235.24/15,495.30 = 8,435.88/x
  3. Step 3: Cross multiply
    11,235.24x = 15,495.30 × 8,435.88
  4. Step 4: Simplify right side
    11,235.24x = 130,716,491.36
  5. Step 5: Solve for x
    x = 130,716,491.36/11,235.24
  6. Step 6: Final answer
    x = 11,634.51

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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.