Home / 23,148.60-31,942.78-12,937.72

Finding the Fourth Proportional to 23,148.60, 31,942.78 and 12,937.72

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Solution

The fourth proportional to 23,148.60, 31,942.78 and 12,937.72 is: 17,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.60 : 31,942.78 = 12,937.72 : x
  2. Step 2: Convert to fraction form
    23,148.60/31,942.78 = 12,937.72/x
  3. Step 3: Cross multiply
    23,148.60x = 31,942.78 × 12,937.72
  4. Step 4: Simplify right side
    23,148.60x = 413,266,743.66
  5. Step 5: Solve for x
    x = 413,266,743.66/23,148.60
  6. Step 6: Final answer
    x = 17,852.77

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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.