Home / 12,131.51-16,699.39-10,458.46

Finding the Fourth Proportional to 12,131.51, 16,699.39 and 10,458.46

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Solution

The fourth proportional to 12,131.51, 16,699.39 and 10,458.46 is: 14,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.51 : 16,699.39 = 10,458.46 : x
  2. Step 2: Convert to fraction form
    12,131.51/16,699.39 = 10,458.46/x
  3. Step 3: Cross multiply
    12,131.51x = 16,699.39 × 10,458.46
  4. Step 4: Simplify right side
    12,131.51x = 174,649,834.44
  5. Step 5: Solve for x
    x = 174,649,834.44/12,131.51
  6. Step 6: Final answer
    x = 14,396.38

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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.