Home / 13,903.26-20,868.93-12,332.27

Finding the Fourth Proportional to 13,903.26, 20,868.93 and 12,332.27

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Solution

The fourth proportional to 13,903.26, 20,868.93 and 12,332.27 is: 18,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.26 : 20,868.93 = 12,332.27 : x
  2. Step 2: Convert to fraction form
    13,903.26/20,868.93 = 12,332.27/x
  3. Step 3: Cross multiply
    13,903.26x = 20,868.93 × 12,332.27
  4. Step 4: Simplify right side
    13,903.26x = 257,361,175.03
  5. Step 5: Solve for x
    x = 257,361,175.03/13,903.26
  6. Step 6: Final answer
    x = 18,510.85

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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.