Home / 16,873.89-23,285.85-9,320.72

Finding the Fourth Proportional to 16,873.89, 23,285.85 and 9,320.72

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Solution

The fourth proportional to 16,873.89, 23,285.85 and 9,320.72 is: 12,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.89 : 23,285.85 = 9,320.72 : x
  2. Step 2: Convert to fraction form
    16,873.89/23,285.85 = 9,320.72/x
  3. Step 3: Cross multiply
    16,873.89x = 23,285.85 × 9,320.72
  4. Step 4: Simplify right side
    16,873.89x = 217,040,771.38
  5. Step 5: Solve for x
    x = 217,040,771.38/16,873.89
  6. Step 6: Final answer
    x = 12,862.52

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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.