Home / 16,915.60-25,323.48-12,552.40

Finding the Fourth Proportional to 16,915.60, 25,323.48 and 12,552.40

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Solution

The fourth proportional to 16,915.60, 25,323.48 and 12,552.40 is: 18,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.60 : 25,323.48 = 12,552.40 : x
  2. Step 2: Convert to fraction form
    16,915.60/25,323.48 = 12,552.40/x
  3. Step 3: Cross multiply
    16,915.60x = 25,323.48 × 12,552.40
  4. Step 4: Simplify right side
    16,915.60x = 317,870,450.35
  5. Step 5: Solve for x
    x = 317,870,450.35/16,915.60
  6. Step 6: Final answer
    x = 18,791.56

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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.