Home / 22,489.34-31,031.79-13,056.26

Finding the Fourth Proportional to 22,489.34, 31,031.79 and 13,056.26

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Solution

The fourth proportional to 22,489.34, 31,031.79 and 13,056.26 is: 18,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.34 : 31,031.79 = 13,056.26 : x
  2. Step 2: Convert to fraction form
    22,489.34/31,031.79 = 13,056.26/x
  3. Step 3: Cross multiply
    22,489.34x = 31,031.79 × 13,056.26
  4. Step 4: Simplify right side
    22,489.34x = 405,159,118.51
  5. Step 5: Solve for x
    x = 405,159,118.51/22,489.34
  6. Step 6: Final answer
    x = 18,015.61

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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.