Home / 14,388.58-19,854.81-10,613.79

Finding the Fourth Proportional to 14,388.58, 19,854.81 and 10,613.79

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Solution

The fourth proportional to 14,388.58, 19,854.81 and 10,613.79 is: 14,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.58 : 19,854.81 = 10,613.79 : x
  2. Step 2: Convert to fraction form
    14,388.58/19,854.81 = 10,613.79/x
  3. Step 3: Cross multiply
    14,388.58x = 19,854.81 × 10,613.79
  4. Step 4: Simplify right side
    14,388.58x = 210,734,684.56
  5. Step 5: Solve for x
    x = 210,734,684.56/14,388.58
  6. Step 6: Final answer
    x = 14,645.97

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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.