Home / 10,213.98-15,325.29-6,520.38

Finding the Fourth Proportional to 10,213.98, 15,325.29 and 6,520.38

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Solution

The fourth proportional to 10,213.98, 15,325.29 and 6,520.38 is: 9,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.98 : 15,325.29 = 6,520.38 : x
  2. Step 2: Convert to fraction form
    10,213.98/15,325.29 = 6,520.38/x
  3. Step 3: Cross multiply
    10,213.98x = 15,325.29 × 6,520.38
  4. Step 4: Simplify right side
    10,213.98x = 99,926,714.41
  5. Step 5: Solve for x
    x = 99,926,714.41/10,213.98
  6. Step 6: Final answer
    x = 9,783.33

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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.