Home / 13,312.59-19,965.46-3,950.39

Finding the Fourth Proportional to 13,312.59, 19,965.46 and 3,950.39

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Solution

The fourth proportional to 13,312.59, 19,965.46 and 3,950.39 is: 5,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.59 : 19,965.46 = 3,950.39 : x
  2. Step 2: Convert to fraction form
    13,312.59/19,965.46 = 3,950.39/x
  3. Step 3: Cross multiply
    13,312.59x = 19,965.46 × 3,950.39
  4. Step 4: Simplify right side
    13,312.59x = 78,871,353.53
  5. Step 5: Solve for x
    x = 78,871,353.53/13,312.59
  6. Step 6: Final answer
    x = 5,924.57

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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.