Home / 14,438.73-21,658.86-4,578.78

Finding the Fourth Proportional to 14,438.73, 21,658.86 and 4,578.78

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Solution

The fourth proportional to 14,438.73, 21,658.86 and 4,578.78 is: 6,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.73 : 21,658.86 = 4,578.78 : x
  2. Step 2: Convert to fraction form
    14,438.73/21,658.86 = 4,578.78/x
  3. Step 3: Cross multiply
    14,438.73x = 21,658.86 × 4,578.78
  4. Step 4: Simplify right side
    14,438.73x = 99,171,154.99
  5. Step 5: Solve for x
    x = 99,171,154.99/14,438.73
  6. Step 6: Final answer
    x = 6,868.41

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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.