Home / 13,312.68-19,965.56-3,950.50

Finding the Fourth Proportional to 13,312.68, 19,965.56 and 3,950.50

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Solution

The fourth proportional to 13,312.68, 19,965.56 and 3,950.50 is: 5,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.68 : 19,965.56 = 3,950.50 : x
  2. Step 2: Convert to fraction form
    13,312.68/19,965.56 = 3,950.50/x
  3. Step 3: Cross multiply
    13,312.68x = 19,965.56 × 3,950.50
  4. Step 4: Simplify right side
    13,312.68x = 78,873,889.73
  5. Step 5: Solve for x
    x = 78,873,889.73/13,312.68
  6. Step 6: Final answer
    x = 5,924.72

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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.