Home / 16,518.84-24,779.08-5,428.73

Finding the Fourth Proportional to 16,518.84, 24,779.08 and 5,428.73

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Solution

The fourth proportional to 16,518.84, 24,779.08 and 5,428.73 is: 8,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.84 : 24,779.08 = 5,428.73 : x
  2. Step 2: Convert to fraction form
    16,518.84/24,779.08 = 5,428.73/x
  3. Step 3: Cross multiply
    16,518.84x = 24,779.08 × 5,428.73
  4. Step 4: Simplify right side
    16,518.84x = 134,518,934.97
  5. Step 5: Solve for x
    x = 134,518,934.97/16,518.84
  6. Step 6: Final answer
    x = 8,143.36

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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.