Home / 20,463.30-30,676.32-7,312.59

Finding the Fourth Proportional to 20,463.30, 30,676.32 and 7,312.59

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Solution

The fourth proportional to 20,463.30, 30,676.32 and 7,312.59 is: 10,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.30 : 30,676.32 = 7,312.59 : x
  2. Step 2: Convert to fraction form
    20,463.30/30,676.32 = 7,312.59/x
  3. Step 3: Cross multiply
    20,463.30x = 30,676.32 × 7,312.59
  4. Step 4: Simplify right side
    20,463.30x = 224,323,350.87
  5. Step 5: Solve for x
    x = 224,323,350.87/20,463.30
  6. Step 6: Final answer
    x = 10,962.23

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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.