Home / 13,307.92-19,950.68-8,912.08

Finding the Fourth Proportional to 13,307.92, 19,950.68 and 8,912.08

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Solution

The fourth proportional to 13,307.92, 19,950.68 and 8,912.08 is: 13,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.92 : 19,950.68 = 8,912.08 : x
  2. Step 2: Convert to fraction form
    13,307.92/19,950.68 = 8,912.08/x
  3. Step 3: Cross multiply
    13,307.92x = 19,950.68 × 8,912.08
  4. Step 4: Simplify right side
    13,307.92x = 177,802,056.21
  5. Step 5: Solve for x
    x = 177,802,056.21/13,307.92
  6. Step 6: Final answer
    x = 13,360.62

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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.