Home / 13,421.24-20,041.42-10,960.82

Finding the Fourth Proportional to 13,421.24, 20,041.42 and 10,960.82

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Solution

The fourth proportional to 13,421.24, 20,041.42 and 10,960.82 is: 16,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,421.24 : 20,041.42 = 10,960.82 : x
  2. Step 2: Convert to fraction form
    13,421.24/20,041.42 = 10,960.82/x
  3. Step 3: Cross multiply
    13,421.24x = 20,041.42 × 10,960.82
  4. Step 4: Simplify right side
    13,421.24x = 219,670,397.16
  5. Step 5: Solve for x
    x = 219,670,397.16/13,421.24
  6. Step 6: Final answer
    x = 16,367.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.