Home / 23,013.86-31,758.96-12,942.32

Finding the Fourth Proportional to 23,013.86, 31,758.96 and 12,942.32

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Solution

The fourth proportional to 23,013.86, 31,758.96 and 12,942.32 is: 17,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,013.86 : 31,758.96 = 12,942.32 : x
  2. Step 2: Convert to fraction form
    23,013.86/31,758.96 = 12,942.32/x
  3. Step 3: Cross multiply
    23,013.86x = 31,758.96 × 12,942.32
  4. Step 4: Simplify right side
    23,013.86x = 411,034,623.19
  5. Step 5: Solve for x
    x = 411,034,623.19/23,013.86
  6. Step 6: Final answer
    x = 17,860.31

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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.