Home / 18,300.15-27,450.09-5,152.23

Finding the Fourth Proportional to 18,300.15, 27,450.09 and 5,152.23

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Solution

The fourth proportional to 18,300.15, 27,450.09 and 5,152.23 is: 7,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.15 : 27,450.09 = 5,152.23 : x
  2. Step 2: Convert to fraction form
    18,300.15/27,450.09 = 5,152.23/x
  3. Step 3: Cross multiply
    18,300.15x = 27,450.09 × 5,152.23
  4. Step 4: Simplify right side
    18,300.15x = 141,429,177.20
  5. Step 5: Solve for x
    x = 141,429,177.20/18,300.15
  6. Step 6: Final answer
    x = 7,728.31

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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.