Home / 13,909.58-19,195.24-7,536.18

Finding the Fourth Proportional to 13,909.58, 19,195.24 and 7,536.18

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Solution

The fourth proportional to 13,909.58, 19,195.24 and 7,536.18 is: 10,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.58 : 19,195.24 = 7,536.18 : x
  2. Step 2: Convert to fraction form
    13,909.58/19,195.24 = 7,536.18/x
  3. Step 3: Cross multiply
    13,909.58x = 19,195.24 × 7,536.18
  4. Step 4: Simplify right side
    13,909.58x = 144,658,783.78
  5. Step 5: Solve for x
    x = 144,658,783.78/13,909.58
  6. Step 6: Final answer
    x = 10,399.94

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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.