Home / 14,207.55-19,599.48-8,540.79

Finding the Fourth Proportional to 14,207.55, 19,599.48 and 8,540.79

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Solution

The fourth proportional to 14,207.55, 19,599.48 and 8,540.79 is: 11,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.55 : 19,599.48 = 8,540.79 : x
  2. Step 2: Convert to fraction form
    14,207.55/19,599.48 = 8,540.79/x
  3. Step 3: Cross multiply
    14,207.55x = 19,599.48 × 8,540.79
  4. Step 4: Simplify right side
    14,207.55x = 167,395,042.79
  5. Step 5: Solve for x
    x = 167,395,042.79/14,207.55
  6. Step 6: Final answer
    x = 11,782.12

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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.