Home / 16,780.89-23,157.65-9,227.35

Finding the Fourth Proportional to 16,780.89, 23,157.65 and 9,227.35

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Solution

The fourth proportional to 16,780.89, 23,157.65 and 9,227.35 is: 12,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.89 : 23,157.65 = 9,227.35 : x
  2. Step 2: Convert to fraction form
    16,780.89/23,157.65 = 9,227.35/x
  3. Step 3: Cross multiply
    16,780.89x = 23,157.65 × 9,227.35
  4. Step 4: Simplify right side
    16,780.89x = 213,683,741.73
  5. Step 5: Solve for x
    x = 213,683,741.73/16,780.89
  6. Step 6: Final answer
    x = 12,733.75

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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.