Home / 23,125.02-31,912.55-12,514.69

Finding the Fourth Proportional to 23,125.02, 31,912.55 and 12,514.69

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Solution

The fourth proportional to 23,125.02, 31,912.55 and 12,514.69 is: 17,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.02 : 31,912.55 = 12,514.69 : x
  2. Step 2: Convert to fraction form
    23,125.02/31,912.55 = 12,514.69/x
  3. Step 3: Cross multiply
    23,125.02x = 31,912.55 × 12,514.69
  4. Step 4: Simplify right side
    23,125.02x = 399,375,670.36
  5. Step 5: Solve for x
    x = 399,375,670.36/23,125.02
  6. Step 6: Final answer
    x = 17,270.28

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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.