Home / 16,977.60-23,425.20-9,899.82

Finding the Fourth Proportional to 16,977.60, 23,425.20 and 9,899.82

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Solution

The fourth proportional to 16,977.60, 23,425.20 and 9,899.82 is: 13,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.60 : 23,425.20 = 9,899.82 : x
  2. Step 2: Convert to fraction form
    16,977.60/23,425.20 = 9,899.82/x
  3. Step 3: Cross multiply
    16,977.60x = 23,425.20 × 9,899.82
  4. Step 4: Simplify right side
    16,977.60x = 231,905,263.46
  5. Step 5: Solve for x
    x = 231,905,263.46/16,977.60
  6. Step 6: Final answer
    x = 13,659.48

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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.