Home / 23,054.86-31,815.38-12,983.42

Finding the Fourth Proportional to 23,054.86, 31,815.38 and 12,983.42

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Solution

The fourth proportional to 23,054.86, 31,815.38 and 12,983.42 is: 17,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,054.86 : 31,815.38 = 12,983.42 : x
  2. Step 2: Convert to fraction form
    23,054.86/31,815.38 = 12,983.42/x
  3. Step 3: Cross multiply
    23,054.86x = 31,815.38 × 12,983.42
  4. Step 4: Simplify right side
    23,054.86x = 413,072,314.38
  5. Step 5: Solve for x
    x = 413,072,314.38/23,054.86
  6. Step 6: Final answer
    x = 17,916.93

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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.