Home / 16,761.21-23,129.55-11,457.33

Finding the Fourth Proportional to 16,761.21, 23,129.55 and 11,457.33

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Solution

The fourth proportional to 16,761.21, 23,129.55 and 11,457.33 is: 15,810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.21 : 23,129.55 = 11,457.33 : x
  2. Step 2: Convert to fraction form
    16,761.21/23,129.55 = 11,457.33/x
  3. Step 3: Cross multiply
    16,761.21x = 23,129.55 × 11,457.33
  4. Step 4: Simplify right side
    16,761.21x = 265,002,887.10
  5. Step 5: Solve for x
    x = 265,002,887.10/16,761.21
  6. Step 6: Final answer
    x = 15,810.49

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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.