Home / 14,031.09-21,042.52-11,559.78

Finding the Fourth Proportional to 14,031.09, 21,042.52 and 11,559.78

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Solution

The fourth proportional to 14,031.09, 21,042.52 and 11,559.78 is: 17,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.09 : 21,042.52 = 11,559.78 : x
  2. Step 2: Convert to fraction form
    14,031.09/21,042.52 = 11,559.78/x
  3. Step 3: Cross multiply
    14,031.09x = 21,042.52 × 11,559.78
  4. Step 4: Simplify right side
    14,031.09x = 243,246,872.95
  5. Step 5: Solve for x
    x = 243,246,872.95/14,031.09
  6. Step 6: Final answer
    x = 17,336.28

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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.