Home / 11,650.05-17,457.80-8,556.93

Finding the Fourth Proportional to 11,650.05, 17,457.80 and 8,556.93

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Solution

The fourth proportional to 11,650.05, 17,457.80 and 8,556.93 is: 12,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.05 : 17,457.80 = 8,556.93 : x
  2. Step 2: Convert to fraction form
    11,650.05/17,457.80 = 8,556.93/x
  3. Step 3: Cross multiply
    11,650.05x = 17,457.80 × 8,556.93
  4. Step 4: Simplify right side
    11,650.05x = 149,385,129.77
  5. Step 5: Solve for x
    x = 149,385,129.77/11,650.05
  6. Step 6: Final answer
    x = 12,822.70

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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.