Home / 13,915.50-19,203.39-7,627.92

Finding the Fourth Proportional to 13,915.50, 19,203.39 and 7,627.92

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Solution

The fourth proportional to 13,915.50, 19,203.39 and 7,627.92 is: 10,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.50 : 19,203.39 = 7,627.92 : x
  2. Step 2: Convert to fraction form
    13,915.50/19,203.39 = 7,627.92/x
  3. Step 3: Cross multiply
    13,915.50x = 19,203.39 × 7,627.92
  4. Step 4: Simplify right side
    13,915.50x = 146,481,922.65
  5. Step 5: Solve for x
    x = 146,481,922.65/13,915.50
  6. Step 6: Final answer
    x = 10,526.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.