Home / 10,266.48-15,395.94-3,690.90

Finding the Fourth Proportional to 10,266.48, 15,395.94 and 3,690.90

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Solution

The fourth proportional to 10,266.48, 15,395.94 and 3,690.90 is: 5,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.48 : 15,395.94 = 3,690.90 : x
  2. Step 2: Convert to fraction form
    10,266.48/15,395.94 = 3,690.90/x
  3. Step 3: Cross multiply
    10,266.48x = 15,395.94 × 3,690.90
  4. Step 4: Simplify right side
    10,266.48x = 56,824,874.95
  5. Step 5: Solve for x
    x = 56,824,874.95/10,266.48
  6. Step 6: Final answer
    x = 5,534.99

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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.