Home / 10,245.40-15,367.29-3,670.90

Finding the Fourth Proportional to 10,245.40, 15,367.29 and 3,670.90

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Solution

The fourth proportional to 10,245.40, 15,367.29 and 3,670.90 is: 5,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.40 : 15,367.29 = 3,670.90 : x
  2. Step 2: Convert to fraction form
    10,245.40/15,367.29 = 3,670.90/x
  3. Step 3: Cross multiply
    10,245.40x = 15,367.29 × 3,670.90
  4. Step 4: Simplify right side
    10,245.40x = 56,411,784.86
  5. Step 5: Solve for x
    x = 56,411,784.86/10,245.40
  6. Step 6: Final answer
    x = 5,506.06

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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.