Home / 15,010.37-20,713.39-8,632.47

Finding the Fourth Proportional to 15,010.37, 20,713.39 and 8,632.47

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Solution

The fourth proportional to 15,010.37, 20,713.39 and 8,632.47 is: 11,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.37 : 20,713.39 = 8,632.47 : x
  2. Step 2: Convert to fraction form
    15,010.37/20,713.39 = 8,632.47/x
  3. Step 3: Cross multiply
    15,010.37x = 20,713.39 × 8,632.47
  4. Step 4: Simplify right side
    15,010.37x = 178,807,717.77
  5. Step 5: Solve for x
    x = 178,807,717.77/15,010.37
  6. Step 6: Final answer
    x = 11,912.28

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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.