Home / 13,733.31-18,950.45-7,683.83

Finding the Fourth Proportional to 13,733.31, 18,950.45 and 7,683.83

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Solution

The fourth proportional to 13,733.31, 18,950.45 and 7,683.83 is: 10,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.31 : 18,950.45 = 7,683.83 : x
  2. Step 2: Convert to fraction form
    13,733.31/18,950.45 = 7,683.83/x
  3. Step 3: Cross multiply
    13,733.31x = 18,950.45 × 7,683.83
  4. Step 4: Simplify right side
    13,733.31x = 145,611,903.05
  5. Step 5: Solve for x
    x = 145,611,903.05/13,733.31
  6. Step 6: Final answer
    x = 10,602.83

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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.