Home / 16,765.58-23,127.83-11,388.30

Finding the Fourth Proportional to 16,765.58, 23,127.83 and 11,388.30

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Solution

The fourth proportional to 16,765.58, 23,127.83 and 11,388.30 is: 15,709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.58 : 23,127.83 = 11,388.30 : x
  2. Step 2: Convert to fraction form
    16,765.58/23,127.83 = 11,388.30/x
  3. Step 3: Cross multiply
    16,765.58x = 23,127.83 × 11,388.30
  4. Step 4: Simplify right side
    16,765.58x = 263,386,565.42
  5. Step 5: Solve for x
    x = 263,386,565.42/16,765.58
  6. Step 6: Final answer
    x = 15,709.96

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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.