Home / 22,606.89-31,190.04-13,650.99

Finding the Fourth Proportional to 22,606.89, 31,190.04 and 13,650.99

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Solution

The fourth proportional to 22,606.89, 31,190.04 and 13,650.99 is: 18,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,606.89 : 31,190.04 = 13,650.99 : x
  2. Step 2: Convert to fraction form
    22,606.89/31,190.04 = 13,650.99/x
  3. Step 3: Cross multiply
    22,606.89x = 31,190.04 × 13,650.99
  4. Step 4: Simplify right side
    22,606.89x = 425,774,924.14
  5. Step 5: Solve for x
    x = 425,774,924.14/22,606.89
  6. Step 6: Final answer
    x = 18,833.86

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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.