Home / 15,450.78-23,175.09-4,357.02

Finding the Fourth Proportional to 15,450.78, 23,175.09 and 4,357.02

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Solution

The fourth proportional to 15,450.78, 23,175.09 and 4,357.02 is: 6,535.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.78 : 23,175.09 = 4,357.02 : x
  2. Step 2: Convert to fraction form
    15,450.78/23,175.09 = 4,357.02/x
  3. Step 3: Cross multiply
    15,450.78x = 23,175.09 × 4,357.02
  4. Step 4: Simplify right side
    15,450.78x = 100,974,330.63
  5. Step 5: Solve for x
    x = 100,974,330.63/15,450.78
  6. Step 6: Final answer
    x = 6,535.23

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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.