Home / 13,676.45-20,514.67-10,560.98

Finding the Fourth Proportional to 13,676.45, 20,514.67 and 10,560.98

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Solution

The fourth proportional to 13,676.45, 20,514.67 and 10,560.98 is: 15,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.45 : 20,514.67 = 10,560.98 : x
  2. Step 2: Convert to fraction form
    13,676.45/20,514.67 = 10,560.98/x
  3. Step 3: Cross multiply
    13,676.45x = 20,514.67 × 10,560.98
  4. Step 4: Simplify right side
    13,676.45x = 216,655,044.46
  5. Step 5: Solve for x
    x = 216,655,044.46/13,676.45
  6. Step 6: Final answer
    x = 15,841.47

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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.