Home / 15,708.75-21,672.06-11,630.27

Finding the Fourth Proportional to 15,708.75, 21,672.06 and 11,630.27

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Solution

The fourth proportional to 15,708.75, 21,672.06 and 11,630.27 is: 16,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.75 : 21,672.06 = 11,630.27 : x
  2. Step 2: Convert to fraction form
    15,708.75/21,672.06 = 11,630.27/x
  3. Step 3: Cross multiply
    15,708.75x = 21,672.06 × 11,630.27
  4. Step 4: Simplify right side
    15,708.75x = 252,051,800.90
  5. Step 5: Solve for x
    x = 252,051,800.90/15,708.75
  6. Step 6: Final answer
    x = 16,045.31

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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.