Home / 13,011.36-19,536.48-12,816.96

Finding the Fourth Proportional to 13,011.36, 19,536.48 and 12,816.96

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Solution

The fourth proportional to 13,011.36, 19,536.48 and 12,816.96 is: 19,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.36 : 19,536.48 = 12,816.96 : x
  2. Step 2: Convert to fraction form
    13,011.36/19,536.48 = 12,816.96/x
  3. Step 3: Cross multiply
    13,011.36x = 19,536.48 × 12,816.96
  4. Step 4: Simplify right side
    13,011.36x = 250,398,282.70
  5. Step 5: Solve for x
    x = 250,398,282.70/13,011.36
  6. Step 6: Final answer
    x = 19,244.59

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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.