Home / 37,868.85-56,814.35-11,215.53

Finding the Fourth Proportional to 37,868.85, 56,814.35 and 11,215.53

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Solution

The fourth proportional to 37,868.85, 56,814.35 and 11,215.53 is: 16,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,868.85 : 56,814.35 = 11,215.53 : x
  2. Step 2: Convert to fraction form
    37,868.85/56,814.35 = 11,215.53/x
  3. Step 3: Cross multiply
    37,868.85x = 56,814.35 × 11,215.53
  4. Step 4: Simplify right side
    37,868.85x = 637,202,990.78
  5. Step 5: Solve for x
    x = 637,202,990.78/37,868.85
  6. Step 6: Final answer
    x = 16,826.57

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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.