Home / 14,680.53-20,257.76-8,307.70

Finding the Fourth Proportional to 14,680.53, 20,257.76 and 8,307.70

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Solution

The fourth proportional to 14,680.53, 20,257.76 and 8,307.70 is: 11,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.53 : 20,257.76 = 8,307.70 : x
  2. Step 2: Convert to fraction form
    14,680.53/20,257.76 = 8,307.70/x
  3. Step 3: Cross multiply
    14,680.53x = 20,257.76 × 8,307.70
  4. Step 4: Simplify right side
    14,680.53x = 168,295,476.83
  5. Step 5: Solve for x
    x = 168,295,476.83/14,680.53
  6. Step 6: Final answer
    x = 11,463.86

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1.5x scale

Why These Related Problems?

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