Home / 16,454.40-24,688.80-7,684.80

Finding the Fourth Proportional to 16,454.40, 24,688.80 and 7,684.80

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Solution

The fourth proportional to 16,454.40, 24,688.80 and 7,684.80 is: 11,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,454.40 : 24,688.80 = 7,684.80 : x
  2. Step 2: Convert to fraction form
    16,454.40/24,688.80 = 7,684.80/x
  3. Step 3: Cross multiply
    16,454.40x = 24,688.80 × 7,684.80
  4. Step 4: Simplify right side
    16,454.40x = 189,728,490.24
  5. Step 5: Solve for x
    x = 189,728,490.24/16,454.40
  6. Step 6: Final answer
    x = 11,530.56

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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.