Home / 14,310.46-21,457.32-6,515.02

Finding the Fourth Proportional to 14,310.46, 21,457.32 and 6,515.02

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Solution

The fourth proportional to 14,310.46, 21,457.32 and 6,515.02 is: 9,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.46 : 21,457.32 = 6,515.02 : x
  2. Step 2: Convert to fraction form
    14,310.46/21,457.32 = 6,515.02/x
  3. Step 3: Cross multiply
    14,310.46x = 21,457.32 × 6,515.02
  4. Step 4: Simplify right side
    14,310.46x = 139,794,868.95
  5. Step 5: Solve for x
    x = 139,794,868.95/14,310.46
  6. Step 6: Final answer
    x = 9,768.72

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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.