Home / 18,669.84-27,868.17-16,455.58

Finding the Fourth Proportional to 18,669.84, 27,868.17 and 16,455.58

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Solution

The fourth proportional to 18,669.84, 27,868.17 and 16,455.58 is: 24,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.84 : 27,868.17 = 16,455.58 : x
  2. Step 2: Convert to fraction form
    18,669.84/27,868.17 = 16,455.58/x
  3. Step 3: Cross multiply
    18,669.84x = 27,868.17 × 16,455.58
  4. Step 4: Simplify right side
    18,669.84x = 458,586,900.89
  5. Step 5: Solve for x
    x = 458,586,900.89/18,669.84
  6. Step 6: Final answer
    x = 24,562.98

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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.