Home / 16,986.60-23,437.62-9,908.82

Finding the Fourth Proportional to 16,986.60, 23,437.62 and 9,908.82

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Solution

The fourth proportional to 16,986.60, 23,437.62 and 9,908.82 is: 13,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.60 : 23,437.62 = 9,908.82 : x
  2. Step 2: Convert to fraction form
    16,986.60/23,437.62 = 9,908.82/x
  3. Step 3: Cross multiply
    16,986.60x = 23,437.62 × 9,908.82
  4. Step 4: Simplify right side
    16,986.60x = 232,239,157.81
  5. Step 5: Solve for x
    x = 232,239,157.81/16,986.60
  6. Step 6: Final answer
    x = 13,671.90

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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.