Home / 12,556.17-17,312.67-10,310.85

Finding the Fourth Proportional to 12,556.17, 17,312.67 and 10,310.85

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Solution

The fourth proportional to 12,556.17, 17,312.67 and 10,310.85 is: 14,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.17 : 17,312.67 = 10,310.85 : x
  2. Step 2: Convert to fraction form
    12,556.17/17,312.67 = 10,310.85/x
  3. Step 3: Cross multiply
    12,556.17x = 17,312.67 × 10,310.85
  4. Step 4: Simplify right side
    12,556.17x = 178,508,343.47
  5. Step 5: Solve for x
    x = 178,508,343.47/12,556.17
  6. Step 6: Final answer
    x = 14,216.78

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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.