Home / 13,472.42-20,089.94-12,537.47

Finding the Fourth Proportional to 13,472.42, 20,089.94 and 12,537.47

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Solution

The fourth proportional to 13,472.42, 20,089.94 and 12,537.47 is: 18,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.42 : 20,089.94 = 12,537.47 : x
  2. Step 2: Convert to fraction form
    13,472.42/20,089.94 = 12,537.47/x
  3. Step 3: Cross multiply
    13,472.42x = 20,089.94 × 12,537.47
  4. Step 4: Simplify right side
    13,472.42x = 251,877,007.59
  5. Step 5: Solve for x
    x = 251,877,007.59/13,472.42
  6. Step 6: Final answer
    x = 18,695.76

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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.