Home / 20,650.58-30,936.08-12,337.26

Finding the Fourth Proportional to 20,650.58, 30,936.08 and 12,337.26

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Solution

The fourth proportional to 20,650.58, 30,936.08 and 12,337.26 is: 18,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650.58 : 30,936.08 = 12,337.26 : x
  2. Step 2: Convert to fraction form
    20,650.58/30,936.08 = 12,337.26/x
  3. Step 3: Cross multiply
    20,650.58x = 30,936.08 × 12,337.26
  4. Step 4: Simplify right side
    20,650.58x = 381,666,462.34
  5. Step 5: Solve for x
    x = 381,666,462.34/20,650.58
  6. Step 6: Final answer
    x = 18,482.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.