Home / 14,715.66-20,307.57-8,255.31

Finding the Fourth Proportional to 14,715.66, 20,307.57 and 8,255.31

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Solution

The fourth proportional to 14,715.66, 20,307.57 and 8,255.31 is: 11,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.66 : 20,307.57 = 8,255.31 : x
  2. Step 2: Convert to fraction form
    14,715.66/20,307.57 = 8,255.31/x
  3. Step 3: Cross multiply
    14,715.66x = 20,307.57 × 8,255.31
  4. Step 4: Simplify right side
    14,715.66x = 167,645,285.70
  5. Step 5: Solve for x
    x = 167,645,285.70/14,715.66
  6. Step 6: Final answer
    x = 11,392.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.