Home / 22,259.63-30,717.34-12,187.89

Finding the Fourth Proportional to 22,259.63, 30,717.34 and 12,187.89

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Solution

The fourth proportional to 22,259.63, 30,717.34 and 12,187.89 is: 16,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.63 : 30,717.34 = 12,187.89 : x
  2. Step 2: Convert to fraction form
    22,259.63/30,717.34 = 12,187.89/x
  3. Step 3: Cross multiply
    22,259.63x = 30,717.34 × 12,187.89
  4. Step 4: Simplify right side
    22,259.63x = 374,379,576.25
  5. Step 5: Solve for x
    x = 374,379,576.25/22,259.63
  6. Step 6: Final answer
    x = 16,818.77

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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.