Home / 9,311.73-13,948.88-4,307.09

Finding the Fourth Proportional to 9,311.73, 13,948.88 and 4,307.09

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Solution

The fourth proportional to 9,311.73, 13,948.88 and 4,307.09 is: 6,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.73 : 13,948.88 = 4,307.09 : x
  2. Step 2: Convert to fraction form
    9,311.73/13,948.88 = 4,307.09/x
  3. Step 3: Cross multiply
    9,311.73x = 13,948.88 × 4,307.09
  4. Step 4: Simplify right side
    9,311.73x = 60,079,011.81
  5. Step 5: Solve for x
    x = 60,079,011.81/9,311.73
  6. Step 6: Final answer
    x = 6,451.97

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1.5x scale

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.