Home / 12,536.42-18,809.48-5,144.36

Finding the Fourth Proportional to 12,536.42, 18,809.48 and 5,144.36

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Solution

The fourth proportional to 12,536.42, 18,809.48 and 5,144.36 is: 7,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.42 : 18,809.48 = 5,144.36 : x
  2. Step 2: Convert to fraction form
    12,536.42/18,809.48 = 5,144.36/x
  3. Step 3: Cross multiply
    12,536.42x = 18,809.48 × 5,144.36
  4. Step 4: Simplify right side
    12,536.42x = 96,762,655.35
  5. Step 5: Solve for x
    x = 96,762,655.35/12,536.42
  6. Step 6: Final answer
    x = 7,718.53

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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.