Home / 16,761.08-23,108.28-13,930.88

Finding the Fourth Proportional to 16,761.08, 23,108.28 and 13,930.88

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Solution

The fourth proportional to 16,761.08, 23,108.28 and 13,930.88 is: 19,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.08 : 23,108.28 = 13,930.88 : x
  2. Step 2: Convert to fraction form
    16,761.08/23,108.28 = 13,930.88/x
  3. Step 3: Cross multiply
    16,761.08x = 23,108.28 × 13,930.88
  4. Step 4: Simplify right side
    16,761.08x = 321,918,675.69
  5. Step 5: Solve for x
    x = 321,918,675.69/16,761.08
  6. Step 6: Final answer
    x = 19,206.32

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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.