Home / 13,502.80-20,226.18-11,415.52

Finding the Fourth Proportional to 13,502.80, 20,226.18 and 11,415.52

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Solution

The fourth proportional to 13,502.80, 20,226.18 and 11,415.52 is: 17,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.80 : 20,226.18 = 11,415.52 : x
  2. Step 2: Convert to fraction form
    13,502.80/20,226.18 = 11,415.52/x
  3. Step 3: Cross multiply
    13,502.80x = 20,226.18 × 11,415.52
  4. Step 4: Simplify right side
    13,502.80x = 230,892,362.31
  5. Step 5: Solve for x
    x = 230,892,362.31/13,502.80
  6. Step 6: Final answer
    x = 17,099.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.