Home / 15,450.05-23,117.66-9,213.45

Finding the Fourth Proportional to 15,450.05, 23,117.66 and 9,213.45

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Solution

The fourth proportional to 15,450.05, 23,117.66 and 9,213.45 is: 13,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.05 : 23,117.66 = 9,213.45 : x
  2. Step 2: Convert to fraction form
    15,450.05/23,117.66 = 9,213.45/x
  3. Step 3: Cross multiply
    15,450.05x = 23,117.66 × 9,213.45
  4. Step 4: Simplify right side
    15,450.05x = 212,993,393.01
  5. Step 5: Solve for x
    x = 212,993,393.01/15,450.05
  6. Step 6: Final answer
    x = 13,785.94

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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.