Home / 16,780.39-23,156.35-9,226.67

Finding the Fourth Proportional to 16,780.39, 23,156.35 and 9,226.67

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Solution

The fourth proportional to 16,780.39, 23,156.35 and 9,226.67 is: 12,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.39 : 23,156.35 = 9,226.67 : x
  2. Step 2: Convert to fraction form
    16,780.39/23,156.35 = 9,226.67/x
  3. Step 3: Cross multiply
    16,780.39x = 23,156.35 × 9,226.67
  4. Step 4: Simplify right side
    16,780.39x = 213,655,953.72
  5. Step 5: Solve for x
    x = 213,655,953.72/16,780.39
  6. Step 6: Final answer
    x = 12,732.48

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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.